Company lists · Data refreshed November 2026

Top 25 Primary care center networks worldwide

RevenueBase identified 4,304 company matches for primary care center networks worldwide as of November 2026 and tracks 224,037 professional contacts across them, including 64,046 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for primary care center 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 center 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
4,304Companies
224,037Contacts tracked
64,046Verified emails
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The 25 largest primary care center networks worldwide

Ranked by team size
Top 25 of 4,304 company matches for primary care center 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 matchAltamonte Springs, GA, United StatesHQ recorded Nov 6, 2026n/a30,195 contacts →

Exact match

“AdventHealth is a connected network of care that helps people feel whole – body, mind and spirit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact 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
5Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,592 contacts →

Exact match

“One Medical challenges the notion that delivering high-quality, accessible health care is unachievable and prohibitively expensive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact 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
9Exact matchMiami Gardens, FL, United StatesHQ recorded Nov 6, 20261,001-5,0002,382 contacts →

Exact match

“We’re on a mission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact 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
13Exact matchChicago, TX, United StatesHQ recorded Nov 6, 202610001+1,527 contacts →

Exact match

“VillageMD provides high-quality, accessible healthcare services for individuals and communities across the United States, with primary, multi-specialty, and urgent care providers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDowners Grove, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,517 contacts →

Exact match

“Are you ready to challenge the expected to deliver the extraordinary?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact 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
17Exact 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
18Exact 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
19Exact 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
20Exact 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
21Exact matchHarvey, IL, United StatesHQ recorded Nov 6, 2026n/a1,012 contacts →

Exact match

“For nearly a century we have pioneered sophisticated clinical care and developed the area's most convenient network of comprehensive outpatient centers, all dedicated to improve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchVancouver, OR, United StatesHQ recorded Nov 6, 20261,001-5,000996 contacts →

Exact match

“We know it can feel like modern technology has pushed healthcare to the point where the word “care” doesn’t mean much anymore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact 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
25Exact 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

Showing 25 of 4,304 primary care center networks worldwide

See the full list, filter by size, metro and specialty, and access 64,046 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Primary care center networks worldwide at a glance

As of Nov 6, 2026
28.6%Verified-email coverage
52.1Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,586
11-50
1,370
51-200
672
201-500
316
501-1,000
141
1,001-5,000
107
5,001-10,000
7
10001+
16

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 center networks are linked below.
What qualifies
Company records worldwide whose business descriptions match “primary care center 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 64,046 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 center networks by location

11 lists · largest first

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

How many primary care center networks are there worldwide?

RevenueBase identified 4,304 company matches for primary care center 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?

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

Which country has the most primary care center networks?

The United States leads with 2,348 companies, followed by the United Kingdom (241) and Canada (210). Every primary care center networks list by country and city is linked on this page.

Which city has the most primary care center networks?

New York leads with 35 company records, followed by Houston (34) and London (31).

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 64,046 professional contacts with verified work emails tracked across these 4,304 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.