Company lists · Data refreshed September 2026

Top 25 Senior health insurance providers based in the United States

RevenueBase identified 1,496 company matches for senior health insurance providers associated with the United States as of September 2026 and tracks 87,431 professional contacts across them, including 18,143 with verified work emails. Houston is the largest hub.

This list covers company matches for senior health insurance providers associated with the United States, 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 September 17, 2026.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built
1,496Companies
87,431Contacts tracked
18,143Verified emails
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The 25 largest senior health insurance providers based in the United States

Ranked by team size
Top 25 of 1,496 company matches for senior health insurance providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, IL, United StatesHQ recorded Sep 17, 202610001+17,458 contacts →

Exact match

“Health Care Service Corporation serves nearly 23 million people across the United States through its portfolio of health benefit solutions.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2Exact matchMinnetonka, MN, United StatesHQ recorded Sep 17, 202610001+13,144 contacts →

Exact match

“When it comes to your health, everything matters.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchColumbia, SC, United StatesHQ recorded Sep 17, 202610001+5,446 contacts →

Exact match

“For more than six decades, BlueCross BlueShield of South Carolina has been part of the national landscape.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchSt. Louis, MO, United StatesHQ recorded Sep 17, 20265,001-10,0004,965 contacts →

Exact match

“For more than 20 years, Wellcare has offered a range of Medicare products, including Medicare Advantage and Medicare Prescription Drug Plans (PDP), which offer affordable coverage…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchPittsburgh, PA, United StatesHQ recorded Sep 17, 20261,001-5,0004,363 contacts →

Exact match

“How can we best serve our members and the community?”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchShelton, CT, United StatesHQ recorded Sep 17, 2026n/a3,115 contacts →

Exact match

“HealthPlanOne is the friendliest company that helps millions make healthcare choices.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchGrapevine, TX, United StatesHQ recorded Sep 17, 2026n/a2,876 contacts →

Exact match

“USHEALTH Advisors is a wholly-owned national sales and distribution subsidiary of USHEALTH Group, Inc.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchCleveland, OH, United StatesHQ recorded Sep 17, 20261,001-5,0002,667 contacts →

Exact match

“Founded in 1934, Medical Mutual is the oldest and one of the largest health insurance companies based in Ohio.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchPhoenix, AZ, United StatesHQ recorded Sep 17, 20261,001-5,0002,168 contacts →

Exact match

“Blue Cross ® Blue Shield ® of Arizona (AZ Blue) is committed to helping Arizonans get healthier faster and stay healthier longer.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchWaltham, MA, United StatesHQ recorded Sep 17, 20261,001-5,0001,839 contacts →

Exact match

“At Devoted Health, we’re on a mission to dramatically improve the health and well-being of older Americans by caring for every person like family.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchNorth Richland Hills, United StatesHQ recorded Sep 17, 20261,001-5,0001,375 contacts →

Exact match

“Insphere Insurance Solutions, Inc.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchHanover, MD, United StatesHQ recorded Sep 17, 20261,001-5,0001,203 contacts →

Exact match

“Johns Hopkins Health Plans guides more than members toward improved health outcomes by providing innovative health plans and solutions backed by the clinical and research…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchOlathe, KS, United StatesHQ recorded Sep 17, 20261,001-5,000845 contacts →

Exact match

“At American Senior Benefits we are dedicated to serving those in need of insurance, especially seniors.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchFort Worth, TX, United StatesHQ recorded Sep 17, 2026201-500626 contacts →

Exact match

“A family of companies providing a better level of innovative health coverage for people just like you.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchMiami, FL, United StatesHQ recorded Sep 17, 2026501-1,000518 contacts →

Exact match

“In 1969, AvMed began in South Florida as Aviation Medicine to serve the growing airline industry by providing pilot physicals.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchMiami, FL, United StatesHQ recorded Sep 17, 20261,001-5,000471 contacts →

Exact match

“CareMax is a Medicare Advantage organization with a full complement of health and wellness services for the senior population.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 17, 20261,001-5,000414 contacts →

Exact match

“For over 175 years, we have stood by our customers with diligence and compassion, as one of the oldest privately held insurance companies in the United States.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchFarmington, CT, United StatesHQ recorded Sep 17, 2026501-1,000402 contacts →

Exact match

“ConnectiCare is a leading health plan in the state of Connecticut.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchBirmingham, AL, United StatesHQ recorded Sep 17, 2026501-1,000399 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 · Sep 17, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Sep 17, 2026201-500357 contacts →

Exact match

“Welcome to OneDigital Advanced Health.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 17, 20261,001-5,000335 contacts →

Exact match

“Universal Health Care is a Medicare/Medicaid health insurance provider based in St.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchFargo, United StatesHQ recorded Sep 17, 20261,001-5,000319 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchOmaha, NE, United StatesHQ recorded Sep 17, 2026501-1,000295 contacts →

Exact match

“Senior Market Sales (SMS) in Omaha, Nebraska has marketed health, life, annuities, and other insurance products geared for the nation’s seniors from the same location since 1982.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchAkron, OH, United StatesHQ recorded Sep 17, 2026201-500270 contacts →

Exact match

“SummaCare is headquartered in Akron, Ohio and is one of the region's only provider-owned health insurance companies.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact matchMountain View, CA, United StatesHQ recorded Sep 17, 20261,001-5,000270 contacts →

Exact match

“Ready to be part of something huge?”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 1,496 senior health insurance providers based in the United States

See the full list, filter by size, metro and specialty, and access 18,143 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Senior health insurance providers based in the United States at a glance

As of Sep 17, 2026
20.8%Verified-email coverage
58.4Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · Houston
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
979
11-50
298
51-200
111
201-500
36
501-1,000
28
1,001-5,000
24
5,001-10,000
4
10001+
10

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,496 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “senior health insurance providers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 18,143 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 September 17, 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.

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 “senior health insurance providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many senior health insurance providers are there based in the United States?

RevenueBase identified 1,496 company matches for senior health insurance providers associated with the United States as of September 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?

Health Care Service Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most senior health insurance providers?

Houston leads with 21 company records, followed by Tampa (19) and Phoenix (17).

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 18,143 professional contacts with verified work emails tracked across these 1,496 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 September 17, 2026.

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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.