Company lists · Data refreshed November 2026

Top 25 Traditional healthcare services based in the United States

RevenueBase identified 2,265 company matches for traditional healthcare services associated with the United States as of November 2026 and tracks 164,239 professional contacts across them, including 40,893 with verified work emails. Houston is the largest hub.

This list covers company matches for traditional healthcare 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 November 2, 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 Nov 2, 2026 How this list was built
2,265Companies
164,239Contacts tracked
40,893Verified emails
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The 25 largest traditional healthcare services based in the United States

Ranked by team size
Top 25 of 2,265 company matches for traditional healthcare services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchMarietta, GA, United StatesHQ recorded Nov 2, 202610001+16,508 contacts →

Exact match

“At Wellstar Health System, our mission is to enhance the health and well-being of every person we serve.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchBaltimore, MD, United StatesHQ recorded Nov 2, 202610001+12,025 contacts →

Exact match

“The Johns Hopkins Hospital is a world renowned leader in patient care, serving the greater Baltimore community and patients from all across the globe.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchFranklin, TN, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
4Exact matchAltamonte Springs, FL, United StatesHQ recorded Nov 2, 202610001+9,228 contacts →

Exact match

“This is whole-person care.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchCincinnati, OH, United StatesHQ recorded Nov 2, 202610001+6,479 contacts →

Exact match

“The mission of TriHealth is to improve the health status of the people we serve.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchKalamazoo, MI, United StatesHQ recorded Nov 2, 20265,001-10,0004,275 contacts →

Exact match

“With over employees, more than 1,500 medical staff members, and 747 licensed beds, Bronson Healthcare is the largest employer and leading healthcare system in southwest Michigan.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchAtlantic City, NJ, United StatesHQ recorded Nov 2, 20265,001-10,0003,740 contacts →

Exact match

“AtlantiCare is an integrated system of services designed to help people achieve optimal health.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchLansing, MI, United StatesHQ recorded Nov 2, 20265,001-10,0003,378 contacts →

Exact match

“We are now University of Michigan Health-Sparrow.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchTeaneck, NJ, United StatesHQ recorded Nov 2, 20261,001-5,0002,155 contacts →

Exact match

“Holy Name is a fully accredited, not-for-profit healthcare facility based in Teaneck, NJ, with off-site locations throughout Bergen, Hudson and Passaic counties.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchNewton, MA, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
11Exact matchTrenton, NJ, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, United StatesHQ recorded Nov 2, 20261,001-5,0001,662 contacts →

Exact match

“Included Health delivers personalized, all-in-one healthcare to millions of people nationwide.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchSpringfield, IL, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
14Exact matchBrentwood, TN, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
15Exact matchEverett, WA, United StatesHQ recorded Nov 2, 20261,001-5,0001,217 contacts →

Exact match

“Founded in 1924, The Everett Clinic, a part of OptumCare, is a nationally-recognized physician group known for providing high-quality healthcare services while lowering the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchStatesville, NC, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
17Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
18Exact matchMiami, FL, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
19Exact matchVancouver, OR, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
20Exact matchHattiesburg, MS, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
21Exact matchLos Angeles, CA, United StatesHQ recorded Nov 2, 20261,001-5,000927 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 · Nov 2, 2026 · View company records in RevenueBase
22Exact matchSeattle, WA, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
23Exact matchMerriam, KS, United StatesHQ recorded Nov 2, 20261,001-5,000837 contacts →

Exact match

“Be inspired to take health into your own hands.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchAmes, IA, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
25Exact matchWesterville, OH, United StatesHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase

Showing 25 of 2,265 traditional healthcare services based in the United States

See the full list, filter by size, metro and specialty, and access 40,893 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Traditional healthcare services based in the United States at a glance

As of Nov 2, 2026
24.9%Verified-email coverage
72.5Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Houston
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
1,015
11-50
681
51-200
246
201-500
138
501-1,000
69
1,001-5,000
68
5,001-10,000
13
10001+
17

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 2,265 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 “traditional healthcare 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 40,893 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 2, 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.

Traditional healthcare services by metro

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 “traditional healthcare services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many traditional healthcare services are there based in the United States?

RevenueBase identified 2,265 company matches for traditional healthcare services associated with the United States 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?

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

Which city has the most traditional healthcare services?

Houston leads with 40 company records, followed by New York (33) and Miami (20).

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 40,893 professional contacts with verified work emails tracked across these 2,265 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 2, 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.