Company lists · Data refreshed November 2026
Top 25 Health maintenance organizations worldwide
RevenueBase identified 329 company matches for health maintenance organizations worldwide as of November 2026 and tracks 67,078 professional contacts across them, including 18,757 with verified work emails. The United States is the largest market and Miami the largest hub.
This list covers company matches for health maintenance organizations worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for health maintenance organizations follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest health maintenance organizations worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 16,645 contacts → | ||||
Exact match “Molina Healthcare is a FORTUNE 500 company that is focused exclusively on government-sponsored health care programs for families and individuals who qualify for government…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 6,670 contacts → | ||||
Exact match “HealthPartners, an integrated health care organization providing health care services and health plan financing and administration, was founded in 1957 as a cooperative.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 4,453 contacts → | ||||
Exact match “How can we best serve our members and the community?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,570 contacts → | ||||
Exact match “MAXICARE HEALTHCARE CORPORATION Live your best life through superior healthcare and excellent customer service Established in 1987 by an esteemed group of doctors and businessmen…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,856 contacts → | ||||
Exact match “With a mission to heal and inspire the human spirit, Inland Empire Health Plan (IEHP) is one of the top 10 largest Medicaid health plans, the largest not-for-profit…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,485 contacts → | ||||
Exact match “As Canada's only national non-profit health care and insurance organization, GreenShield believes health care is a right, not a privilege.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,456 contacts → | ||||
Exact match “Regence is part of a family of regional health plans that have been a symbol of strength and stability in local communities for more than 100 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,119 contacts → | ||||
Exact match “MediCard is a Health Maintenance Organization that provides a comprehensive health care program for its members.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,088 contacts → | ||||
Exact match “Founded in 1984 as a physician-founded and guided health plan, CDPHP and its affiliates currently serve members in 29 counties throughout New York with a full family of products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,064 contacts → | ||||
Exact match “Há mais de quatro décadas, um sonho inspirado no modelo cooperativista de trabalho deu início ao maior e mais completo plano de saúde do Rio Grande do Norte: a Unimed Natal.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,052 contacts → | ||||
Exact match “HAP is now Health Alliance Plan by Henry Ford Health.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 1,022 contacts → | ||||
Exact match “Who We Are: Vidal Health partners with insurers, employers, and healthcare providers to make healthcare access simpler, faster, and more supportive for everyone involved.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 873 contacts → | ||||
Exact match “MedNet is a managed care service provider of quality solutions that meet an individual's long-term healthcare needs and offers financial protection against unforeseen health…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 807 contacts → | ||||
Exact match “Fundada em 19 de janeiro de 1994, a Unimed Guarulhos atua em Guarulhos, Arujá, Itaquaquecetuba, Ferraz de Vasconcelos e Santa Isabel e conta com rede de médicos, hospitais, pronto…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 799 contacts → | ||||
Exact match “Imagine360 is an integrated health plan addressing one of the greatest challenges on behalf of self-funded employers: healthcare costs are harming the bottom line, they're…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 673 contacts → | ||||
Exact match “Quartz is a locally rooted, provider-owned health plan that connects coverage with care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 630 contacts → | ||||
Exact match “We are a local, non-profit, Managed Care Organization (MCO), offering Children's Medicaid (STAR) and CHIP programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 568 contacts → | ||||
Exact match “The mission of Affinity by Molina Healthcare (formerly Affinity Health Plan) is to improve the health and lives of its members by delivering high-quality health care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 520 contacts → | ||||
Exact match “Federada es una empresa de cobertura médica nacida en Rosario en 1963.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 511 contacts → | ||||
Exact match “Centers Plan for Healthy Living (CPHL), is a Managed Care Organization servicing members with Medicare and/or Medicaid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 506 contacts → | ||||
Exact match “Group Health Cooperative of South Central Wisconsin (GHC-SCW) is a not-for-profit managed health care organization that provides the entire spectrum of health care services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 503 contacts → | ||||
Exact match “Established in 1996, Prospect Medical Holdings, Inc, is a national leader in fully integrated healthcare.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 464 contacts → | ||||
Exact match “At Buffalo Medical Group, we offer care that goes beyond simply treating you when you’re sick.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 426 contacts → | ||||
Exact match “ConnectiCare is a leading health plan in the state of Connecticut.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 420 contacts → | ||||
Exact match “Founded in 1995, VIVA HEALTH is now the preferred healthcare provider for close to 300 Alabama companies and more than members and growing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “health maintenance organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 329 health maintenance organizations worldwide
See the full list, filter by size, metro and specialty, and access 18,757 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Health maintenance organizations worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for health maintenance organizations are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “health maintenance organizations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 18,757 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Health maintenance organizations by location
4 lists · largest firstEvery Health maintenance organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “health maintenance organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many health maintenance organizations are there worldwide?
RevenueBase identified 329 company matches for health maintenance organizations worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Molina Healthcare tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most health maintenance organizations?
The United States leads with 167 companies, followed by Brazil (60) and Nigeria (41). Every health maintenance organizations list by country and city is linked on this page.
Which city has the most health maintenance organizations?
Miami leads with 6 company records, followed by Bakersfield (4) and Belo Horizonte (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 18,757 professional contacts with verified work emails tracked across these 329 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 329 health maintenance organizations worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 health maintenance organizations worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 329 matching company records for health maintenance organizations worldwide, with 67,078 tracked contacts and 18,757 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 health maintenance organizations worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Molina Healthcaremolinahealthcare.comHQ: Long Beach, CA, United StatesReported employees: 10001+ | Long Beach, CA, United States | 10001+ | Exact match | 16,645 contacts → |
“Molina Healthcare is a FORTUNE 500 company that is focused exclusively on government-sponsored health care programs for families and individuals who qualify for government…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Healthpartnershealthpartners.comHQ: Bloomington, MN, United StatesReported employees: 10001+ | Bloomington, MN, United States | 10001+ | Exact match | 6,670 contacts → |
“HealthPartners, an integrated health care organization providing health care services and health plan financing and administration, was founded in 1957 as a cooperative.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Upmc Health Planupmchealthplan.comHQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 4,453 contacts → |
“How can we best serve our members and the community?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Maxicare Healthcare Corporationmaxicare.com.phHQ: Makati City, PhilippinesReported employees: 501-1,000 | Makati City, Philippines | 501-1,000 | Exact match | 2,570 contacts → |
“MAXICARE HEALTHCARE CORPORATION Live your best life through superior healthcare and excellent customer service Established in 1987 by an esteemed group of doctors and businessmen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  IEHPiehp.orgHQ: Rancho Cucamonga, CA, United StatesReported employees: 1,001-5,000 | Rancho Cucamonga, CA, United States | 1,001-5,000 | Exact match | 1,856 contacts → |
“With a mission to heal and inspire the human spirit, Inland Empire Health Plan (IEHP) is one of the top 10 largest Medicaid health plans, the largest not-for-profit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Greenshieldgreenshield.caHQ: Windsor, ON, CanadaReported employees: 1,001-5,000 | Windsor, ON, Canada | 1,001-5,000 | Exact match | 1,485 contacts → |
“As Canada's only national non-profit health care and insurance organization, GreenShield believes health care is a right, not a privilege.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Regence Bluecross Blueshield Of Oregonregence.comHQ: Portland, OR, United StatesReported employees: 5,001-10,000 | Portland, OR, United States | 5,001-10,000 | Exact match | 1,456 contacts → |
“Regence is part of a family of regional health plans that have been a symbol of strength and stability in local communities for more than 100 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Medicard Philippines, INCmedicardphils.comHQ: Makati City, PhilippinesReported employees: 501-1,000 | Makati City, Philippines | 501-1,000 | Exact match | 1,119 contacts → |
“MediCard is a Health Maintenance Organization that provides a comprehensive health care program for its members.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CDPHPcdphp.comHQ: Latham, NY, United StatesReported employees: 1,001-5,000 | Latham, NY, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Founded in 1984 as a physician-founded and guided health plan, CDPHP and its affiliates currently serve members in 29 counties throughout New York with a full family of products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Unimed Natalunimednatal.com.brHQ: Natal, BrazilReported employees: 1,001-5,000 | Natal, Brazil | 1,001-5,000 | Exact match | 1,064 contacts → |
“Há mais de quatro décadas, um sonho inspirado no modelo cooperativista de trabalho deu início ao maior e mais completo plano de saúde do Rio Grande do Norte: a Unimed Natal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Health Alliance Planhap.orgHQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 1,052 contacts → |
“HAP is now Health Alliance Plan by Henry Ford Health.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Vidal Healthvidalhealth.comHQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 1,022 contacts → |
“Who We Are: Vidal Health partners with insurers, employers, and healthcare providers to make healthcare access simpler, faster, and more supportive for everyone involved.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mednet Global Healthcare Solutions LLCmednet-global.comHQ: Abu Dhabi, United Arab EmiratesReported employees: 201-500 | Abu Dhabi, United Arab Emirates | 201-500 | Exact match | 873 contacts → |
“MedNet is a managed care service provider of quality solutions that meet an individual's long-term healthcare needs and offers financial protection against unforeseen health…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Unimed Guarulhosunimedguarulhos.coop.brHQ: Guarulhos, BrazilReported employees: 1,001-5,000 | Guarulhos, Brazil | 1,001-5,000 | Exact match | 807 contacts → |
“Fundada em 19 de janeiro de 1994, a Unimed Guarulhos atua em Guarulhos, Arujá, Itaquaquecetuba, Ferraz de Vasconcelos e Santa Isabel e conta com rede de médicos, hospitais, pronto…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Imagine360imagine360.comHQ: Wayne, PA, United StatesReported employees: 1,001-5,000 | Wayne, PA, United States | 1,001-5,000 | Exact match | 799 contacts → |
“Imagine360 is an integrated health plan addressing one of the greatest challenges on behalf of self-funded employers: healthcare costs are harming the bottom line, they're…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Quartz Health Solutionsquartzbenefits.comHQ: Fitchburg, WI, United StatesReported employees: 501-1,000 | Fitchburg, WI, United States | 501-1,000 | Exact match | 673 contacts → |
“Quartz is a locally rooted, provider-owned health plan that connects coverage with care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Community Health Choicecommunityhealthchoice.orgHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 630 contacts → |
“We are a local, non-profit, Managed Care Organization (MCO), offering Children's Medicaid (STAR) and CHIP programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Affinity Health Planaffinityplan.comHQ: Bronx, NY, United StatesReported employees: 501-1,000 | Bronx, NY, United States | 501-1,000 | Exact match | 568 contacts → |
“The mission of Affinity by Molina Healthcare (formerly Affinity Health Plan) is to improve the health and lives of its members by delivering high-quality health care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Federadafederada.comHQ: Rosario, ArgentinaReported employees: 501-1,000 | Rosario, Argentina | 501-1,000 | Exact match | 520 contacts → |
“Federada es una empresa de cobertura médica nacida en Rosario en 1963.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Centers Plan For Healthy Livingcentersplan.comHQ: Staten Island, NY, United StatesReported employees: 201-500 | Staten Island, NY, United States | 201-500 | Exact match | 511 contacts → |
“Centers Plan for Healthy Living (CPHL), is a Managed Care Organization servicing members with Medicare and/or Medicaid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Madison, WI, United StatesReported employees: 501-1,000 | Madison, WI, United States | 501-1,000 | Exact match | 506 contacts → |
“Group Health Cooperative of South Central Wisconsin (GHC-SCW) is a not-for-profit managed health care organization that provides the entire spectrum of health care services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Culver City, CT, United StatesReported employees: 10001+ | Culver City, CT, United States | 10001+ | Exact match | 503 contacts → |
“Established in 1996, Prospect Medical Holdings, Inc, is a national leader in fully integrated healthcare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Buffalo Medical Groupbuffalomedicalgroup.comHQ: Buffalo, NY, United StatesReported employees: 501-1,000 | Buffalo, NY, United States | 501-1,000 | Exact match | 464 contacts → |
“At Buffalo Medical Group, we offer care that goes beyond simply treating you when you’re sick.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Connecticareconnecticare.comHQ: Farmington, CT, United StatesReported employees: 501-1,000 | Farmington, CT, United States | 501-1,000 | Exact match | 426 contacts → |
“ConnectiCare is a leading health plan in the state of Connecticut.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Viva Healthvivahealth.comHQ: Birmingham, AL, United StatesReported employees: 501-1,000 | Birmingham, AL, United States | 501-1,000 | Exact match | 420 contacts → |
“Founded in 1995, VIVA HEALTH is now the preferred healthcare provider for close to 300 Alabama companies and more than members and growing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 329 company matches
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Health maintenance organizations: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
322 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 329 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Health maintenance organizations by location
4 lists · largest firstEvery Health maintenance organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for health maintenance organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many health maintenance organizations did RevenueBase find worldwide?
The saved snapshot records 329 matching company records, 67,078 tracked contacts and 18,757 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 health maintenance organizations worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/health-maintenance-organizations.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 health maintenance organizations worldwide
RevenueBase records 329 matching company records for health maintenance organizations worldwide, with 67,078 tracked contacts and 18,757 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 health maintenance organizations worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Molina Healthcaremolinahealthcare.com HQ: Long Beach, CA, United StatesReported employees: 10001+ | Long Beach, CA, United States | 10001+ | Exact match | 16,645 contacts → |
“Molina Healthcare is a FORTUNE 500 company that is focused exclusively on government-sponsored health care programs for families and individuals who qualify for government…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Healthpartnershealthpartners.com HQ: Bloomington, MN, United StatesReported employees: 10001+ | Bloomington, MN, United States | 10001+ | Exact match | 6,670 contacts → |
“HealthPartners, an integrated health care organization providing health care services and health plan financing and administration, was founded in 1957 as a cooperative.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Upmc Health Planupmchealthplan.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 4,453 contacts → |
“How can we best serve our members and the community?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Maxicare Healthcare Corporationmaxicare.com.ph HQ: Makati City, PhilippinesReported employees: 501-1,000 | Makati City, Philippines | 501-1,000 | Exact match | 2,570 contacts → |
“MAXICARE HEALTHCARE CORPORATION Live your best life through superior healthcare and excellent customer service Established in 1987 by an esteemed group of doctors and businessmen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | IEHPiehp.org HQ: Rancho Cucamonga, CA, United StatesReported employees: 1,001-5,000 | Rancho Cucamonga, CA, United States | 1,001-5,000 | Exact match | 1,856 contacts → |
“With a mission to heal and inspire the human spirit, Inland Empire Health Plan (IEHP) is one of the top 10 largest Medicaid health plans, the largest not-for-profit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Greenshieldgreenshield.ca HQ: Windsor, ON, CanadaReported employees: 1,001-5,000 | Windsor, ON, Canada | 1,001-5,000 | Exact match | 1,485 contacts → |
“As Canada's only national non-profit health care and insurance organization, GreenShield believes health care is a right, not a privilege.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Regence Bluecross Blueshield Of Oregonregence.com HQ: Portland, OR, United StatesReported employees: 5,001-10,000 | Portland, OR, United States | 5,001-10,000 | Exact match | 1,456 contacts → |
“Regence is part of a family of regional health plans that have been a symbol of strength and stability in local communities for more than 100 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Medicard Philippines, INCmedicardphils.com HQ: Makati City, PhilippinesReported employees: 501-1,000 | Makati City, Philippines | 501-1,000 | Exact match | 1,119 contacts → |
“MediCard is a Health Maintenance Organization that provides a comprehensive health care program for its members.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CDPHPcdphp.com HQ: Latham, NY, United StatesReported employees: 1,001-5,000 | Latham, NY, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Founded in 1984 as a physician-founded and guided health plan, CDPHP and its affiliates currently serve members in 29 counties throughout New York with a full family of products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Unimed Natalunimednatal.com.br HQ: Natal, BrazilReported employees: 1,001-5,000 | Natal, Brazil | 1,001-5,000 | Exact match | 1,064 contacts → |
“Há mais de quatro décadas, um sonho inspirado no modelo cooperativista de trabalho deu início ao maior e mais completo plano de saúde do Rio Grande do Norte: a Unimed Natal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Health Alliance Planhap.org HQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 1,052 contacts → |
“HAP is now Health Alliance Plan by Henry Ford Health.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Vidal Healthvidalhealth.com HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 1,022 contacts → |
“Who We Are: Vidal Health partners with insurers, employers, and healthcare providers to make healthcare access simpler, faster, and more supportive for everyone involved.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mednet Global Healthcare Solutions LLCmednet-global.com HQ: Abu Dhabi, United Arab EmiratesReported employees: 201-500 | Abu Dhabi, United Arab Emirates | 201-500 | Exact match | 873 contacts → |
“MedNet is a managed care service provider of quality solutions that meet an individual's long-term healthcare needs and offers financial protection against unforeseen health…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Unimed Guarulhosunimedguarulhos.coop.br HQ: Guarulhos, BrazilReported employees: 1,001-5,000 | Guarulhos, Brazil | 1,001-5,000 | Exact match | 807 contacts → |
“Fundada em 19 de janeiro de 1994, a Unimed Guarulhos atua em Guarulhos, Arujá, Itaquaquecetuba, Ferraz de Vasconcelos e Santa Isabel e conta com rede de médicos, hospitais, pronto…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Imagine360imagine360.com HQ: Wayne, PA, United StatesReported employees: 1,001-5,000 | Wayne, PA, United States | 1,001-5,000 | Exact match | 799 contacts → |
“Imagine360 is an integrated health plan addressing one of the greatest challenges on behalf of self-funded employers: healthcare costs are harming the bottom line, they're…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quartz Health Solutionsquartzbenefits.com HQ: Fitchburg, WI, United StatesReported employees: 501-1,000 | Fitchburg, WI, United States | 501-1,000 | Exact match | 673 contacts → |
“Quartz is a locally rooted, provider-owned health plan that connects coverage with care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Community Health Choicecommunityhealthchoice.org HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 630 contacts → |
“We are a local, non-profit, Managed Care Organization (MCO), offering Children's Medicaid (STAR) and CHIP programs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Affinity Health Planaffinityplan.com HQ: Bronx, NY, United StatesReported employees: 501-1,000 | Bronx, NY, United States | 501-1,000 | Exact match | 568 contacts → |
“The mission of Affinity by Molina Healthcare (formerly Affinity Health Plan) is to improve the health and lives of its members by delivering high-quality health care.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Federadafederada.com HQ: Rosario, ArgentinaReported employees: 501-1,000 | Rosario, Argentina | 501-1,000 | Exact match | 520 contacts → |
“Federada es una empresa de cobertura médica nacida en Rosario en 1963.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Centers Plan For Healthy Livingcentersplan.com HQ: Staten Island, NY, United StatesReported employees: 201-500 | Staten Island, NY, United States | 201-500 | Exact match | 511 contacts → |
“Centers Plan for Healthy Living (CPHL), is a Managed Care Organization servicing members with Medicare and/or Medicaid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Madison, WI, United StatesReported employees: 501-1,000 | Madison, WI, United States | 501-1,000 | Exact match | 506 contacts → |
“Group Health Cooperative of South Central Wisconsin (GHC-SCW) is a not-for-profit managed health care organization that provides the entire spectrum of health care services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Culver City, CT, United StatesReported employees: 10001+ | Culver City, CT, United States | 10001+ | Exact match | 503 contacts → |
“Established in 1996, Prospect Medical Holdings, Inc, is a national leader in fully integrated healthcare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Buffalo Medical Groupbuffalomedicalgroup.com HQ: Buffalo, NY, United StatesReported employees: 501-1,000 | Buffalo, NY, United States | 501-1,000 | Exact match | 464 contacts → |
“At Buffalo Medical Group, we offer care that goes beyond simply treating you when you’re sick.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Connecticareconnecticare.com HQ: Farmington, CT, United StatesReported employees: 501-1,000 | Farmington, CT, United States | 501-1,000 | Exact match | 426 contacts → |
“ConnectiCare is a leading health plan in the state of Connecticut.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Viva Healthvivahealth.com HQ: Birmingham, AL, United StatesReported employees: 501-1,000 | Birmingham, AL, United States | 501-1,000 | Exact match | 420 contacts → |
“Founded in 1995, VIVA HEALTH is now the preferred healthcare provider for close to 300 Alabama companies and more than members and growing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 329 company matches
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Health maintenance organizations: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
322 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 329 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Health maintenance organizations by location
4 lists · largest firstEvery Health maintenance organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for health maintenance organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many health maintenance organizations did RevenueBase find worldwide?
The saved snapshot records 329 matching company records, 67,078 tracked contacts and 18,757 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 health maintenance organizations worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/health-maintenance-organizations.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗