Company lists · Data refreshed November 2026

Top 25 Primary care clinic networks worldwide

RevenueBase identified 3,211 company matches for primary care clinic networks worldwide as of November 2026 and tracks 111,688 professional contacts across them, including 28,198 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for primary care clinic networks 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 clinic networks 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
3,211Companies
111,688Contacts tracked
28,198Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest primary care clinic networks worldwide

Ranked by team size
Top 25 of 3,211 company matches for primary care clinic networks 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 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
2Exact 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
3Exact matchRobbinsdale, MN, IndiaHQ recorded Nov 6, 20265,001-10,0003,332 contacts →

Exact match

“North Memorial Health is a system of 23 specialty and primary care clinics, urgent and emergency care offerings, medical transportation services and two hospitals-North -…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 20265,001-10,0002,643 contacts →

Exact match

“AltaMed is one of the nation’s largest community health networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact 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
12Exact 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
13Exact 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
14Exact 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
15Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026501-1,000957 contacts →

Exact match

“Apollo Clinic is a subsidiary of Apollo Hospitals Enterprise, offering a wide range of medical services with that same trusted expertise and excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Clemente, CA, United StatesHQ recorded Nov 6, 20261,001-5,000927 contacts →

Exact match

“Crossover Health is a healthcare service provider that delivers in-person and virtual Advanced Primary Care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchZephyrhills, FL, United StatesHQ recorded Nov 6, 20261,001-5,000918 contacts →

Exact match

“Florida Medical Clinic Orlando Health is a multi-specialty clinic that provides area residents with a resource for the latest advances in patient care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 20261,001-5,000853 contacts →

Exact match

“The Little Clinic provides high quality, affordable healthcare located in convenient retail settings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,000821 contacts →

Exact match

“Access Community Health Network (ACCESS) offers patient-centered, preventive and primary care services and serves as the medical home to more than patients annually in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAmes, IA, United StatesHQ recorded Nov 6, 20261,001-5,000817 contacts →

Exact match

“McFarland Clinic is Iowa's largest physician-owned multi-specialty clinic.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchCoppell, TX, United StatesHQ recorded Nov 6, 20261,001-5,000787 contacts →

Exact match

“CareNow® is dedicated to reducing your wait while improving your health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNashville, TN, United StatesHQ recorded Nov 6, 20261,001-5,000702 contacts →

Exact match

“OneOncology was founded by community physicians, for community physicians, with the mission of improving the lives of everyone living with cancer and other diseases.”

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

Showing 25 of 3,211 primary care clinic networks worldwide

See the full list, filter by size, metro and specialty, and access 28,198 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Primary care clinic networks worldwide at a glance

As of Nov 6, 2026
25.2%Verified-email coverage
34.8Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,237
11-50
1,103
51-200
475
201-500
160
501-1,000
83
1,001-5,000
66
5,001-10,000
6
10001+
6

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 clinic networks are linked below.
What qualifies
Company records worldwide whose business descriptions match “primary care clinic networks” 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 28,198 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 clinic networks by location

7 lists · largest first

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

How many primary care clinic networks are there worldwide?

RevenueBase identified 3,211 company matches for primary care clinic networks 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?

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

Which country has the most primary care clinic networks?

The United States leads with 1,594 companies, followed by Canada (276) and the United Kingdom (193). Every primary care clinic networks list by country and city is linked on this page.

Which city has the most primary care clinic networks?

London leads with 28 company records, followed by Houston (27) and Calgary (23).

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 28,198 professional contacts with verified work emails tracked across these 3,211 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 3,211 primary care clinic networks worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.