Company lists · Data refreshed November 2026

Top 25 Specialty medical group operators worldwide

RevenueBase identified 5,410 company matches for specialty medical group operators worldwide as of November 2026 and tracks 365,925 professional contacts across them, including 90,049 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for specialty medical group operators 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 medical group operators 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
5,410Companies
365,925Contacts tracked
90,049Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest specialty medical group operators worldwide

Ranked by team size
Top 25 of 5,410 company matches for specialty medical group operators 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 matchNashville, TN, United StatesHQ recorded Nov 6, 202610001+72,477 contacts →

Exact match

“HCA Healthcare is dedicated to giving people a healthier tomorrow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 202610001+16,141 contacts →

Exact match

“Baptist Health South Florida is the region’s largest not-for-profit healthcare organization with 12 hospitals, more than employees, 4,500 physicians, and 200 outpatient centers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFranklin, TN, United StatesHQ recorded Nov 6, 202610001+9,433 contacts →

Exact match

“Community Health Systems is one of the nation's leading healthcare providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSantiago, ChileHQ recorded Nov 6, 20265,001-10,0005,622 contacts →

Exact match

“Bienvenido a Clínica Alemana de Santiago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact matchEmeryville, CA, United StatesHQ recorded Nov 6, 202610001+3,950 contacts →

Exact match

“For 50 years, Vituity has been raising the standard of care and transforming how, when and where care is delivered.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPearland, TX, United StatesHQ recorded Nov 6, 20261,001-5,0003,685 contacts →

Exact match

“Kelsey-Seybold Clinic is Houston's premier multispecialty group practice, founded in 1949 by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 202610001+3,600 contacts →

Exact match

“SCA Health is a national surgical and practice management company serving over two million patients each year at more than 370 clinical locations and 250 physician practice…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHamburg, GermanyHQ recorded Nov 6, 202610001+3,432 contacts →

Exact match

“Asklepios wurde im Jahr 1985 gegründet und ist heute mit rund 170 Gesundheitseinrichtungen einer der größten privaten Klinikbetreiber in Deutschland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchChesterfield, MO, United StatesHQ recorded Nov 6, 20261,001-5,0003,098 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact matchWest Reading, PA, United StatesHQ recorded Nov 6, 202610001+2,433 contacts →

Exact match

“Tower Health is a vibrant, nationally recognized health system that serves a population of nearly 2.5 million people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAtlanta, MI, United StatesHQ recorded Nov 6, 20265,001-10,0002,374 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDavie, FL, United StatesHQ recorded Nov 6, 202610001+2,260 contacts →

Exact match

“HCA Florida Healthcare is a family of hospitals, physician practices and other locations offering the most extensive network of personalized care across the state.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEnglewood, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0002,238 contacts →

Exact match

“ENGLEWOOD HEALTH, one of New Jersey’s leading healthcare systems, delivers nationally recognized inpatient and outpatient care through its hospital and network of physician…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPensacola, FL, United StatesHQ recorded Nov 6, 20261,001-5,0002,186 contacts →

Exact match

“Baptist Health Care is a not-for-profit health care organization based in northwest Florida that is committed to helping people throughout life’s journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchTrenton, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,728 contacts →

Exact match

“Capital Health is the region’s leader in providing progressive, quality patient care with significant investments in our exceptional physicians, nurses and staff, as well as…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact 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
25Exact matchBrentwood, TN, United StatesHQ recorded Nov 6, 202610001+1,475 contacts →

Exact match

“Surgery Partners is a leading operator of surgical facilities and ancillary services with more than 180 locations nationwide.”

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

Showing 25 of 5,410 specialty medical group operators worldwide

See the full list, filter by size, metro and specialty, and access 90,049 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Specialty medical group operators worldwide at a glance

As of Nov 6, 2026
24.6%Verified-email coverage
67.6Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,081
11-50
1,589
51-200
787
201-500
388
501-1,000
205
1,001-5,000
186
5,001-10,000
29
10001+
40

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 medical group operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “specialty medical group operators” 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 90,049 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 medical group operators by location

17 lists · largest first

Every Specialty medical group operators 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 medical group operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many specialty medical group operators are there worldwide?

RevenueBase identified 5,410 company matches for specialty medical group operators 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?

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

Which country has the most specialty medical group operators?

The United States leads with 2,245 companies, followed by Brazil (392) and the United Kingdom (237). Every specialty medical group operators list by country and city is linked on this page.

Which city has the most specialty medical group operators?

Sao Paulo leads with 60 company records, followed by New York (58) and Dubai (45).

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 90,049 professional contacts with verified work emails tracked across these 5,410 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 5,410 specialty medical group operators 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.