Company lists · Data refreshed September 2026

Top 25 Hospital medical staff organizations based in the United States

RevenueBase identified 186 company matches for hospital medical staff organizations associated with the United States as of September 2026 and tracks 9,378 professional contacts across them, including 1,503 with verified work emails. Chicago is the largest hub.

This list covers company matches for hospital medical staff organizations 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 September 16, 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 Sep 16, 2026 How this list was built
186Companies
9,378Contacts tracked
1,503Verified emails
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The 25 largest hospital medical staff organizations based in the United States

Ranked by team size
Top 25 of 186 company matches for hospital medical staff organizations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchCookeville, TN, United StatesHQ recorded Sep 16, 20261,001-5,0002,346 contacts →

Exact match

“At Cookeville Regional Medical Center, we are dedicated to providing the highest quality care to our patients and making a positive impact on our community.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchGeneva, IL, United StatesHQ recorded Sep 16, 20265,001-10,000687 contacts →

Exact match

“Delnor Hospital is part of Northwestern Medicine.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchScottsdale, AZ, United StatesHQ recorded Sep 16, 2026501-1,000666 contacts →

Exact match

“Apogee Physicians is the largest entirely physician-owned and operated hospitalist group in the nation*.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchNeedham, MA, United StatesHQ recorded Sep 16, 2026501-1,000423 contacts →

Exact match

“Beth Israel Deaconess Hospital−Needham (BID−Needham) is a licensed 58-bed acute care community hospital.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchLittle Rock, AR, United StatesHQ recorded Sep 16, 2026201-500251 contacts →

Exact match

“AFMC was incorporated in 1972 as a private nonprofit educational organization.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchRio Rancho, NM, United StatesHQ recorded Sep 16, 2026201-500174 contacts →

Exact match

“At UNM Sandoval Regional Medical Center (SRMC), you benefit from the personal attention of a community hospital and the expertise and resources of an academic health care facility.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchSacramento, CA, United StatesHQ recorded Sep 16, 202651-200173 contacts →

Exact match

“The California Medical Association is a professional association representing more than California physicians (#CMAdocs) in all medical specialties and modes of practice.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 16, 2026n/a165 contacts →

Exact match

“The Society of Hospital Medicine (SHM) exists to promote exceptional care for hospitalized patients.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchNashville, TN, United StatesHQ recorded Sep 16, 202651-200151 contacts →

Exact match

“At Hardenbergh Group, a Sentact Company, we are stewards and protectors of healthcare organizations.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 16, 202651-200144 contacts →

Exact match

“Greeley is a partner to healthcare organizations nationwide, helping them optimize medical staff services for the past 30+ years.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchDubuque, IA, United StatesHQ recorded Sep 16, 2026501-1,000126 contacts →

Exact match

“The Finley Hospital, in Dubuque, Iowa, is recognized as a top-rated community hospital in the Tri-State area, who offer a full-range of medical services from caring and dedicated…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchLafayette, LA, United StatesHQ recorded Sep 16, 202651-200103 contacts →

Exact match

“Lafayette Surgical Specialty Hospital (LSSH) is a 20-bed physician-owned hospital built in 2004 in Lafayette, Louisiana.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchMechanicsburg, PA, United StatesHQ recorded Sep 16, 202651-20091 contacts →

Exact match

“PAMED helps Pennsylvania's physicians put patients over paperwork by advocating, educating, and navigating on their behalf.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchSyracuse, NY, United StatesHQ recorded Sep 16, 2026201-50080 contacts →

Exact match

“It is the mission of Practice Resources, LLC, a Management Service Organization, to provide quality management services in the areas of billing, electronic medical records, human…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchAlpharetta, GA, United StatesHQ recorded Sep 16, 2026201-50076 contacts →

Exact match

“For over 20 years, IN Compass Health has been developing, managing, and improving emergency medicine and hospital medicine services for hospitals and health systems nationwide.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5074 contacts →

Exact match

“The UC San Diego PACE Program is an industry leader in competency assessments, age-based screening evaluations, fitness for duty evaluations, practice and billing monitoring…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchBirmingham, AL, United StatesHQ recorded Sep 16, 202611-5065 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchColumbus, OH, United StatesHQ recorded Sep 16, 202611-5063 contacts →

Exact match

“The Ohio State Medical Association (OSMA) is a professional association representing nearly physicians, residents and medical students in the state of Ohio on issues including…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchHannibal, MO, United StatesHQ recorded Sep 16, 2026201-50061 contacts →

Exact match

“The Hannibal Clinic is a physician directed corporation whose mission is to support and assist its physicians and other healthcare providers in the practice of medicine founded…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchRiverdale, GA, United StatesHQ recorded Sep 16, 202611-5051 contacts →

Exact match

“Hospitalist Group”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchBrighton, MA, United StatesHQ recorded Sep 16, 202611-5048 contacts →

Exact match

“MACIPA is a physician membership organization, established in 1985.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchMadison, WI, United StatesHQ recorded Sep 16, 202611-5035 contacts →

Exact match

“The Wisconsin Hospital Association advocates on behalf of its members who provide high quality, affordable, and accessible healthcare services - resulting in healthier Wisconsin…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchOrangeburg, NY, United StatesHQ recorded Sep 16, 202611-5033 contacts →

Exact match

“Paradigm is a multiple award-winning medical education company committed to delivering innovative, certified educational initiatives for healthcare professionals.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchNashville, TN, United StatesHQ recorded Sep 16, 202611-5031 contacts →

Exact match

“WHO WE ARE: The Tennessee Medical Association is the state's largest physician organization dedicated to serving MDs and DOs.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchMinneapolis, MN, United StatesHQ recorded Sep 16, 202611-5030 contacts →

Exact match

“The Minnesota Medical Association is a non-profit professional association representing physicians, residents and medical students.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 186 hospital medical staff organizations based in the United States

See the full list, filter by size, metro and specialty, and access 1,503 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hospital medical staff organizations based in the United States at a glance

As of Sep 16, 2026
16.0%Verified-email coverage
50.4Average contacts per company
11-50Median size (employees)
3.8%Largest-city concentration · Chicago
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
84
11-50
58
51-200
20
201-500
9
501-1,000
7
1,001-5,000
6
5,001-10,000
1

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 186 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 “hospital medical staff organizations” 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 1,503 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 September 16, 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 “hospital medical staff organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hospital medical staff organizations are there based in the United States?

RevenueBase identified 186 company matches for hospital medical staff organizations associated with the United States as of September 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?

Cookeville Regional Medical Center tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hospital medical staff organizations?

Chicago leads with 7 company records, followed by Miami (4) and Sacramento (4).

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 1,503 professional contacts with verified work emails tracked across these 186 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 September 16, 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.