Company lists · Data refreshed November 2026

Top 25 Specialty physician practices worldwide

RevenueBase identified 4,090 company matches for specialty physician practices worldwide as of November 2026 and tracks 93,866 professional contacts across them, including 17,487 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for specialty physician 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 specialty physician 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
4,090Companies
93,866Contacts tracked
17,487Verified emails
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The 25 largest specialty physician practices worldwide

Ranked by team size
Top 25 of 4,090 company matches for specialty physician 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 matchBurlington, MA, United StatesHQ recorded Nov 6, 20265,001-10,0004,333 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 202610001+3,381 contacts →

Exact match

“The Permanente Medical Group (TPMG) is the largest physician-led medical group in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSantiago, ChileHQ recorded Nov 6, 20261,001-5,0003,184 contacts →

Exact match

“Clínica Las Condes es una institución de salud de alta complejidad, con más de 40 años de trayectoria y una historia marcada por la excelencia médica, la innovación y el…”

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 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
6Exact matchStatesville, NC, United StatesHQ recorded Nov 6, 20261,001-5,0001,163 contacts →

Exact match

“Piedmont HealthCare is one of the largest physician-owned and directed, multi-specialty groups in North Carolina and the Southeast regions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchGoes, NetherlandsHQ recorded Nov 6, 20261,001-5,0001,093 contacts →

Exact match

“De Zeeuwse patiënt maximaal kwaliteit, veiligheid en comfort bieden op medisch gebied van huisarts tot (super)specialistische zorg, waar en wanneer nodig – dát is Adrz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261,001-5,000899 contacts →

Exact match

“We’re a group of independent specialists and surgeons with advanced knowledge in our areas of medicine, such as Orthopedics, ENT, general surgery, OB/GYN, and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026501-1,000847 contacts →

Exact match

“Clínica Fares | Saúde de qualidade acessível para todos Com mais de 35 anos de história, a Clínica Fares oferece atendimento humanizado em mais de 40 especialidades médicas, com…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchMiddletown, NY, United StatesHQ recorded Nov 6, 20261,001-5,000761 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLeiden, NetherlandsHQ recorded Nov 6, 20261,001-5,000727 contacts →

Exact match

“Omdat mensen beter worden van goede zorg mét persoonlijke aandacht.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSouth Ogden, UT, United StatesHQ recorded Nov 6, 2026501-1,000649 contacts →

Exact match

“Our mission is to be the clinic of choice for patients, employees, and providers, by remaining a thriving independent, physician-owned, multi-specialty group practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,000604 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchToledo, OH, United StatesHQ recorded Nov 6, 20261,001-5,000569 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSão Bernardo Do Campo, BrazilHQ recorded Nov 6, 202651-200563 contacts →

Exact match

“Seja bem-vindo!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20265,001-10,000501 contacts →

Exact match

“Hospital Beneficência Portuguesa de São Paulo is a medical practice company based out of RUA MAESTRO CARDIM, 769, Sao Paulo, São Paulo, Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWoodbury, NY, United StatesHQ recorded Nov 6, 20261,001-5,000476 contacts →

Exact match

“Orlin & Cohen is Long Island's leading orthopedic practice At the Orlin & Cohen Orthopedic Group, we treat more patients than any other private orthopedic group practice on Long…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact matchVillorba, ItalyHQ recorded Nov 6, 2026201-500453 contacts →

Exact match

“Il Gruppo Centro di Medicina è un network di strutture mediche private e per alcuni servizi anche convenzionate che opera in Veneto, Friuli Venezia Giulia, Emilia Romagna e in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGreen Bay, WI, United StatesHQ recorded Nov 6, 2026501-1,000445 contacts →

Exact match

“BayCare Clinic is the largest physician-owned specialty-care clinic serving 13 regional communities in northeastern Wisconsin and Michigan’s Upper Peninsula.”

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

Showing 25 of 4,090 specialty physician practices worldwide

See the full list, filter by size, metro and specialty, and access 17,487 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Specialty physician practices worldwide at a glance

As of Nov 6, 2026
18.6%Verified-email coverage
23.0Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,044
11-50
1,173
51-200
414
201-500
150
501-1,000
78
1,001-5,000
55
5,001-10,000
8
10001+
5

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 specialty physician practices are linked below.
What qualifies
Company records worldwide whose business descriptions match “specialty physician 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 17,487 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.

Specialty physician practices by location

13 lists · largest first

Every Specialty physician 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 “specialty physician practices”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many specialty physician practices are there worldwide?

RevenueBase identified 4,090 company matches for specialty physician 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?

Lahey Hospital & Medical Center tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most specialty physician practices?

The United States leads with 1,308 companies, followed by Brazil (287) and the United Kingdom (275). Every specialty physician practices list by country and city is linked on this page.

Which city has the most specialty physician practices?

Sao Paulo leads with 44 company records, followed by New York (43) and London (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 17,487 professional contacts with verified work emails tracked across these 4,090 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.