Company lists · Data refreshed November 2026

Top 25 Independent physician associations worldwide

RevenueBase identified 2,651 company matches for independent physician associations worldwide as of November 2026 and tracks 189,540 professional contacts across them, including 49,617 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for independent physician associations 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 independent physician associations 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
2,651Companies
189,540Contacts tracked
49,617Verified emails
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The 25 largest independent physician associations worldwide

Ranked by team size
Top 25 of 2,651 company matches for independent physician associations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 202610001+6,053 contacts →

Exact match

“UAE’s largest healthcare network, offering integrated patient-centric care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBirmingham, United StatesHQ recorded Nov 6, 202610001+5,508 contacts →

Exact match

“Formerly HealthSouth and Encompass Home Health & Hospice, we have combined our strengths as Encompass Health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20265,001-10,0005,148 contacts →

Exact match

“Oak Street Health is a network of value-based primary care centers serving older adults on Medicare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202610001+4,961 contacts →

Exact match

“A Unimed-BH é a operadora que mais investe na saúde dos mineiros.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBurlington, MA, United StatesHQ recorded Nov 6, 20265,001-10,0004,333 contacts →

Exact match

“Lahey Hospital & Medical Center, part of Beth Israel Lahey Health, is a physician-led, nonprofit, group practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchEmeryville, CA, United StatesHQ recorded Nov 6, 202610001+3,950 contacts →

Exact match

“For 50 years, Vituity has been raising the standard of care and transforming how, when and where care is delivered.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFlorence, SC, United StatesHQ recorded Nov 6, 202610001+3,880 contacts →

Exact match

“McLeod Health is the region's destination for medical excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 202610001+3,600 contacts →

Exact match

“SCA Health is a national surgical and practice management company serving over two million patients each year at more than 370 clinical locations and 250 physician practice…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202610001+3,381 contacts →

Exact match

“The Permanente Medical Group (TPMG) is the largest physician-led medical group in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0002,534 contacts →

Exact match

“Summit Health helps patients with all of their primary care and specialty care needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 202610001+2,275 contacts →

Exact match

“Every day, The US Oncology Network helps approximately 3,300 providers deliver value-based, integrated care for patients-close to home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 20261,001-5,0002,036 contacts →

Exact match

“Hoy como en nuestros inicios, hace más de 4 décadas, logramos que MEDICUS continúe destacándose como empresa líder en el ámbito de la medicina privada, manteniendo siempre el alto…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNewton, MA, United StatesHQ recorded Nov 6, 20265,001-10,0001,968 contacts →

Exact match

“Atrius Health, an innovative healthcare leader, delivers an effective system of connected care for adult and pediatric patients at 30 medical practice locations in eastern…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDowners Grove, United StatesHQ recorded Nov 6, 20265,001-10,0001,951 contacts →

Exact match

“Duly Health and Care is the largest inde­pen­dent, med­ical group in the nation with more than pri­ma­ry care and spe­cial­ty care providers and over team mem­bers across more…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCuritiba, BrazilHQ recorded Nov 6, 20261,001-5,0001,745 contacts →

Exact match

“A Unimed Curitiba é uma cooperativa de trabalho médico líder no mercado de assistência à saúde em sua área de atuação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAnn Arbor, MI, United StatesHQ recorded Nov 6, 20261,001-5,0001,385 contacts →

Exact match

“Established in 1994, Trinity Health IHA Medical Group is one of the largest multi-specialty medical groups in Michigan delivering more than one million patient visits each year…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFort Myers, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,323 contacts →

Exact match

“Founded in Port Charlotte, Florida, in 2008 and headquartered in Fort Myers, Millennium Physician Group (MPG) has grown into one of the nation’s largest comprehensive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEverett, WA, United StatesHQ recorded Nov 6, 20261,001-5,0001,217 contacts →

Exact match

“Founded in 1924, The Everett Clinic, a part of OptumCare, is a nationally-recognized physician group known for providing high-quality healthcare services while lowering the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchArlington, VA, United StatesHQ recorded Nov 6, 2026501-1,0001,193 contacts →

Exact match

“Privia Health™ is a national physician platform transforming the healthcare delivery experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchProvo, UT, United StatesHQ recorded Nov 6, 20261,001-5,0001,181 contacts →

Exact match

“Revere Health is the largest independent multispecialty physician group in Utah and employs over 200 physicians and 200 advanced practitioners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchStatesville, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,163 contacts →

Exact match

“Piedmont HealthCare is one of the largest physician-owned and directed, multi-specialty groups in North Carolina and the Southeast regions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,105 contacts →

Exact match

“Dignity Health Medical Foundation, established in 1990, is a not-for-profit organization providing award-winning, patient-centered health care in a variety of areas, including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNatal, BrazilHQ recorded Nov 6, 20261,001-5,0001,064 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
24Exact matchCariacica, BrazilHQ recorded Nov 6, 20261,001-5,0001,051 contacts →

Exact match

“Será que existe um jeito mais surpreendente de cuidar?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMacaé, BrazilHQ recorded Nov 6, 20261,001-5,0001,035 contacts →

Exact match

“A Unimed Costa do Sol foi fundada em maio de 1989 por um grupo de 57 médicos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,651 independent physician associations worldwide

See the full list, filter by size, metro and specialty, and access 49,617 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Independent physician associations worldwide at a glance

As of Nov 6, 2026
26.2%Verified-email coverage
71.5Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
937
11-50
711
51-200
412
201-500
230
501-1,000
150
1,001-5,000
123
5,001-10,000
14
10001+
26

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 independent physician associations are linked below.
What qualifies
Company records worldwide whose business descriptions match “independent physician associations” 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 49,617 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.

Independent physician associations by location

11 lists · largest first

Every Independent physician associations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “independent physician associations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many independent physician associations are there worldwide?

RevenueBase identified 2,651 company matches for independent physician associations 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?

SEHA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most independent physician associations?

The United States leads with 1,388 companies, followed by the United Kingdom (226) and Brazil (139). Every independent physician associations list by country and city is linked on this page.

Which city has the most independent physician associations?

New York leads with 37 company records, followed by London (29) and Miami (18).

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 49,617 professional contacts with verified work emails tracked across these 2,651 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.

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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.