Company lists · Data refreshed October 2026

Top 25 Primary care physician control services based in the United States

RevenueBase identified 2,648 company matches for primary care physician control services associated with the United States as of October 2026 and tracks 75,163 professional contacts across them, including 20,896 with verified work emails. New York is the largest hub.

This list covers company matches for primary care physician control services 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 October 29, 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 Oct 29, 2026 How this list was built
2,648Companies
75,163Contacts tracked
20,896Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest primary care physician control services based in the United States

Ranked by team size
Top 25 of 2,648 company matches for primary care physician control services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 29, 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 matchNashville, TN, United StatesHQ recorded Oct 29, 202610001+6,123 contacts →

Exact match

“Parallon leverages extensive expertise across a broad portfolio of revenue cycle, contact center, and clinical and administrative shared services.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
2Exact matchBurlington, MA, United StatesHQ recorded Oct 29, 20265,001-10,0004,421 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 · Oct 29, 2026 · View company records in RevenueBase
3Exact matchAtlanta, GA, United StatesHQ recorded Oct 29, 20265,001-10,0002,391 contacts →

Exact match

“For over 50 years, SCP Health has been serving patients in moments that matter, prioritizing improved patient outcomes and sustainable clinical operations in emergency, hospital…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
4Exact matchNewton, MA, United StatesHQ recorded Oct 29, 20265,001-10,0001,909 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 · Oct 29, 2026 · View company records in RevenueBase
5Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 29, 2026501-1,0001,384 contacts →

Exact match

“PACS trains and hires healthcare leaders, and provides a wide array of back-office support services to healthcare facilities, reducing administrative burdens so local leadership…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
6Exact matchProvo, UT, United StatesHQ recorded Oct 29, 20261,001-5,0001,232 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 · Oct 29, 2026 · View company records in RevenueBase
7Exact matchHattiesburg, MS, United StatesHQ recorded Oct 29, 20261,001-5,000937 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 · Oct 29, 2026 · View company records in RevenueBase
8Exact matchSeattle, WA, United StatesHQ recorded Oct 29, 2026501-1,000882 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 · Oct 29, 2026 · View company records in RevenueBase
9Exact matchWesterville, TX, United StatesHQ recorded Oct 29, 2026501-1,000870 contacts →

Exact match

“agilon health is transforming health care for seniors by empowering primary-care physicians to focus on the entire health of their patients.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
10Exact matchLos Angeles, CA, United StatesHQ recorded Oct 29, 20261,001-5,000869 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 · Oct 29, 2026 · View company records in RevenueBase
11Exact matchAmes, IA, United StatesHQ recorded Oct 29, 20261,001-5,000802 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
12Exact matchWesterville, OH, United StatesHQ recorded Oct 29, 20261,001-5,000780 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 · Oct 29, 2026 · View company records in RevenueBase
13Exact matchMiddletown, NY, United StatesHQ recorded Oct 29, 20261,001-5,000779 contacts →

Exact match

“We’re redefining & transforming the approach to health, the business of health, & the overall well-being of the community.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Oct 29, 2026n/a636 contacts →

Exact match

“Clinic Service Corporation, a medical billing specialist based in Denver, CO, was founded in 1974.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Oct 29, 20261,001-5,000567 contacts →

Exact match

“As one of the largest, most comprehensive medical groups in San Diego County, our 16 locations offer services such as primary and specialty care, laboratory, physical therapy…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
16Exact matchTampa, FL, United StatesHQ recorded Oct 29, 202651-200564 contacts →

Exact match

“Physicians Independent Management Services, Inc.(PIMS) provides turn-key billing and practice management support to medical providers of all specialties.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
17Exact matchToledo, OH, United StatesHQ recorded Oct 29, 20261,001-5,000558 contacts →

Exact match

“A large private multi-specialty physician group in the city of Toledo.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
18Exact matchEmeryville, CA, United StatesHQ recorded Oct 29, 20261,001-5,000521 contacts →

Exact match

“CEP America announced today that it has unified with its subsidiaries MedAmerica and MedAmerica Billing Services Inc.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
19Exact matchArlington, TX, United StatesHQ recorded Oct 29, 20261,001-5,000486 contacts →

Exact match

“One of the largest and fastest growing physician organizations in North Texas, Texas Health Physicians Group provides numerous practice-building features for physicians and…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Oct 29, 20261,001-5,000485 contacts →

Exact match

“As one the largest healthcare business support organizations in the U.S, ADMI continues to build and strengthen the infrastructure, expertise and core competencies that successful…”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
21Exact matchPortland, ME, United StatesHQ recorded Oct 29, 2026501-1,000461 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 · Oct 29, 2026 · View company records in RevenueBase
22Exact matchDurham, NC, United StatesHQ recorded Oct 29, 2026501-1,000432 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 · Oct 29, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Oct 29, 20261,001-5,000399 contacts →

Exact match

“As one of the largest GI practice management companies in the U.S, United Digestive focuses on building partnerships with physicians and gastroenterology practices nationwide.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
24Exact matchColumbia, SC, United StatesHQ recorded Oct 29, 2026501-1,000393 contacts →

Exact match

“Medico is a 20+ year old healthcare services, technology and management company.”

Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase
25Exact matchBuffalo, NY, United StatesHQ recorded Oct 29, 2026501-1,000390 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 · Oct 29, 2026 · View company records in RevenueBase

Showing 25 of 2,648 primary care physician control services based in the United States

See the full list, filter by size, metro and specialty, and access 20,896 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Primary care physician control services based in the United States at a glance

As of Oct 29, 2026
27.8%Verified-email coverage
28.4Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · New York
Oct 29, 2026Page data refreshed

Companies by employee count

1-10
1,195
11-50
855
51-200
345
201-500
120
501-1,000
62
1,001-5,000
54
5,001-10,000
7
10001+
5

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 2,648 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 “primary care physician control services” 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 20,896 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 October 29, 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 “primary care physician control services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many primary care physician control services are there based in the United States?

RevenueBase identified 2,648 company matches for primary care physician control services associated with the United States as of October 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?

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

Which city has the most primary care physician control services?

New York leads with 68 company records, followed by Houston (55) and Austin (37).

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 20,896 professional contacts with verified work emails tracked across these 2,648 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 October 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,648 primary care physician control services based in the United States. 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.