Company lists · Data refreshed September 2026
Top 25 Primary care physicians based in the United States
RevenueBase identified 1,126 primary care physicians headquartered in the United States as of September 2026 and tracks 13,811 professional contacts across them, including 2,994 with verified work emails. Houston is the largest hub.
This list covers primary care physicians headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest primary care physicians based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 932 contacts → | ||||
Partial evidence “Hattiesburg Clinic’s mission as a group practice is to provide high quality, patient-centered health care in an efficient and cost-effective manner.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 499 contacts → | ||||
Strong evidence “Esse Health is leading the health care community by placing patients and their physicians at the center of health decisions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 455 contacts → | ||||
Strong evidence “InterMed is the largest physician-owned primary care practice in Maine, with 90 physicians and more than 650 non-physician employees.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 335 contacts → | ||||
Indirect evidence “Visit our main page: Duke University Health System” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 334 contacts → | ||||
Partial evidence “Missouri Delta Medical Center has been providing comprehensive medical care to the people of Southeast Missouri since 1948.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 217 contacts → | ||||
Strong evidence “The MaxHealth Network is a network of primary care facilities for adults and seniors with over 50 locations throughout Florida.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 208 contacts → | ||||
Partial evidence “White-Wilson Medical Center is a multi-specialty healthcare organization committed to providing high-quality, patient-centered care to the communities we serve.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 195 contacts → | ||||
Indirect evidence “Nationally Recognized Patient Medical Home in Greensboro, NC If having a lifetime of good health is important to you and your loved ones, you owe it to yourself to learn more…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 155 contacts → | ||||
Strong evidence “HealthTexas Medical Group was established by local physicians in 1994 who recognized the need for primary care doctors to play a more significant role in a patient's overall…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 150 contacts → | ||||
Strong evidence “Family Practice Center, PC is an independent physician owned primary care organization in Central Pennsylvania.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 145 contacts → | ||||
Indirect evidence “In October 2007, Affinity Health Group, L.L.C, a wholly-owned subsidiary of Vantage Heath Plan, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 137 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 134 contacts → | ||||
Indirect evidence “Encompass Medical Group is a Medical Practice company located in 4811 S Arrowhead Dr, Independence, Missouri, United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 134 contacts → | ||||
Strong evidence “Our primary care clinics are open seven days a week with extended hours to best serve your urgent and primary healthcare needs, when you need it.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 124 contacts → | ||||
Partial evidence “Premier Medical has been a trusted healthcare provider in Central Florida for over a decade, delivering high-quality, patient-centered care to individuals and families.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 100 contacts → | ||||
Strong evidence “Formed in 2012, Vanguard Medical Group is an independent primary care practice on the leading edge of patient-focused, value-based care throughout New Jersey.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 100 contacts → | ||||
Strong evidence “PHA-Adult Medicine, PC is a private medical practice that delivers comprehensive primary care to patients 18 years of age and older.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 96 contacts → | ||||
Strong evidence “Frederick Primary Care Associates is Frederick County's largest medical group.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 95 contacts → | ||||
Strong evidence “First Care Medical Clinic provides primary care services to patients in North Carolina and South Carolina.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 93 contacts → | ||||
Indirect evidence “Franklin Hospital is a trusted healthcare provider serving the Southern Illinois region with a long-standing commitment to delivering professional, compassionate, high-quality…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 75 contacts → | ||||
Partial evidence “Carevide provides childhood physical exams and immunizations, preventive care for children and adults, including Texas Health Steps, management of chronic diseases such as…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 72 contacts → | ||||
Strong evidence “We are a team of primary care physicians, specialists, and other practitioners with offices in Vail, Eagle and Avon, Colorado.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 72 contacts → | ||||
Indirect evidence “We are committed to providing comprehensive, high-quality and affordable medical treatment for the whole family in Houston.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 71 contacts → | ||||
Strong evidence “Heal 360 Primary & Urgent Care is a leading provider of holistic urgent and primary care medicine.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 69 contacts → | ||||
Indirect evidence “Since 2004, we have been caring for generations of families, watching newborns grow, caring for toddlers, adolescents, young adults, and mature adults.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: primary care physicians. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names primary care physicians.
- Partial evidence
- Its own public description names part of primary care physicians, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name primary care physicians. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,126 primary care physicians based in the United States
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Primary care physicians based in the United States at a glance
As of Sep 20, 2026Companies by employee count
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 1,126 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among primary care physicians, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “primary care physicians”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names primary care physicians), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among primary care physicians, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 2,994 across the full list. 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 September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Primary care physicians by metro
- Primary care physicians in Houston28
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names primary care physicians, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many primary care physicians are there based in the United States?
RevenueBase identified 1,126 primary care physicians headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Hattiesburg Clinic, PA, headquartered in Hattiesburg, tops this list with the largest team on record.
Which city has the most primary care physicians?
Houston leads with 28 headquartered companies, followed by New York (14) and Austin (8).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,994 verified decision-maker contacts tracked across these 1,126 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.
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