Company lists · Data refreshed November 2026

Top 25 Primary care practices worldwide

RevenueBase identified 7,240 company matches for primary care practices worldwide as of November 2026 and tracks 111,538 professional contacts across them, including 22,663 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for primary care practices 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 primary care practices 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
7,240Companies
111,538Contacts tracked
22,663Verified emails
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The 25 largest primary care practices worldwide

Ranked by team size
Top 25 of 7,240 company matches for primary care practices 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 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
2Exact 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
3Exact matchDoha, QatarHQ recorded Nov 6, 20265,001-10,0002,529 contacts →

Exact match

“Welcome to the page of Primary Health Care Corporation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchMiddletown, CT, United StatesHQ recorded Nov 6, 2026501-1,0001,861 contacts →

Exact match

“Community Health Center, Inc.(CHC).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSpringfield, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,652 contacts →

Exact match

“Springfield Clinic is dedicated to preserving the trusted patient-provider relationships we have carefully developed through 84 years of serving you with reliable, primary and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLouisville, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,427 contacts →

Exact match

“CenterWell Senior Primary is a network of one-stop doctor’s offices that offer complete care for Medicare and Medicare Advantage patients, with a focus on senior primary care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJeddah & Riyadh, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,0001,265 contacts →

Exact match

“My Clinic, a prominent name in the realm of multispecialty outpatient care in Saudi Arabia, was established in 2017 under the stewardship of Nazer Group, a leading healthcare…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 20261,001-5,0001,105 contacts →

Exact match

“Starting with a single location in Alabama in 1982, American Family Care (AFC) has pioneered the concept of non–emergency room urgent care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchLakeland, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,104 contacts →

Exact match

“Watson Clinic is one of the largest multispecialty medical clinics in Florida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMiami, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,020 contacts →

Exact match

“We’re transforming primary health care by improving the health of our patients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHattiesburg, MS, United StatesHQ recorded Nov 6, 20261,001-5,000967 contacts →

Exact match

“Hattiesburg Clinic’s mission as a group practice is to provide high quality, patient-centered health care in an efficient and cost-effective manner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 20261,001-5,000927 contacts →

Exact match

“Regal Medical Group, Lakeside Community Healthcare, ADOC Medical Group, and Community Surgery Center of Glendale – part of the Heritage Provider Network – is recognized as one of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026501-1,000913 contacts →

Exact match

“The Polyclinic is one of the largest, independent multi-specialty clinics in the Puget Sound area, with more than 170 primary care and specialty physicians in most areas of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWesterville, OH, United StatesHQ recorded Nov 6, 20261,001-5,000798 contacts →

Exact match

“At Central Ohio Primary Care (COPC), we’re building something different: a healthcare model where people always come first, our patients and our team members.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAugusta, AR, United StatesHQ recorded Nov 6, 20261,001-5,000661 contacts →

Exact match

“With a focus on customer health, community health, employee health, and organizational health, our mission of “health for all” is at the core of everything we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAurora, IL, United StatesHQ recorded Nov 6, 2026201-500641 contacts →

Exact match

“VNA Health Care provides high quality, convenient, and affordable health care to nearly women, men, and children living primarily in Kane, DuPage, and Will counties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBarcelona, SpainHQ recorded Nov 6, 2026501-1,000517 contacts →

Exact match

“En Clínica Corachan somos diferentes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMadison, WI, United StatesHQ recorded Nov 6, 2026501-1,000506 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
21Exact matchPortland, ME, United StatesHQ recorded Nov 6, 2026501-1,000475 contacts →

Exact match

“InterMed is the largest physician-owned primary care practice in Maine, with 90 physicians and more than 650 non-physician employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBuffalo, NY, United StatesHQ recorded Nov 6, 2026501-1,000464 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
23Exact matchDurham, NC, United StatesHQ recorded Nov 6, 2026501-1,000449 contacts →

Exact match

“Since 2008, Avance Care has been an innovative primary care provider offering convenient, cost effective health care services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Nov 6, 202651-200393 contacts →

Exact match

“Created in 1971, Family Health Center's mission is to provide excellent health care to anyone who walks through our doors, regardless of their income level or insurance benefits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchRocky Hill, CT, United StatesHQ recorded Nov 6, 2026501-1,000387 contacts →

Exact match

“Starling Physicians has over 300 providers who deliver care across 27 medical specialties in 30 convenient locations.”

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

Showing 25 of 7,240 primary care practices worldwide

See the full list, filter by size, metro and specialty, and access 22,663 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Primary care practices worldwide at a glance

As of Nov 6, 2026
20.3%Verified-email coverage
15.4Average contacts per company
1-10Median size (employees)
1.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,765
11-50
2,218
51-200
627
201-500
199
501-1,000
72
1,001-5,000
38
5,001-10,000
5
10001+
7

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 primary care practices are linked below.
What qualifies
Company records worldwide whose business descriptions match “primary care practices” 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 22,663 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.

Primary care practices by location

13 lists · largest first

Every Primary care practices 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 “primary care practices”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many primary care practices are there worldwide?

RevenueBase identified 7,240 company matches for primary care practices 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?

OAK Street Health, Part Of CVS Health tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most primary care practices?

The United States leads with 3,136 companies, followed by the United Kingdom (693) and the Netherlands (575). Every primary care practices list by country and city is linked on this page.

Which city has the most primary care practices?

London leads with 74 company records, followed by Houston (47) and New York (38).

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 22,663 professional contacts with verified work emails tracked across these 7,240 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.