Company lists · Data refreshed September 2026

Top 25 Internal medicine societies worldwide

RevenueBase identified 206 company matches for internal medicine societies worldwide as of September 2026 and tracks 6,684 professional contacts across them, including 2,216 with verified work emails. The United States is the largest market and Berlin the largest hub.

This list covers company matches for internal medicine societies 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 September 20, 2026. Country and city lists for internal medicine societies 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 Sep 20, 2026 How this list was built
206Companies
6,684Contacts tracked
2,216Verified emails
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The 25 largest internal medicine societies worldwide

Ranked by team size
Top 25 of 206 company matches for internal medicine societies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchChicago, IL, United StatesHQ recorded Sep 20, 20261,001-5,0001,887 contacts →

Exact match

“The American Medical Association (AMA) is the largest and most influential organization representing the voices of hundreds of thousands of physicians, residents and medical…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 20, 2026201-500869 contacts →

Exact match

“The American College of Physicians is the largest medical specialty organization in the United States with members in more than 172 countries worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchOttawa, ON, CanadaHQ recorded Sep 20, 2026201-500572 contacts →

Exact match

“Our vision: Advancing learning for specialist physicians to deliver the best health care for all.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchVancouver, CanadaHQ recorded Sep 20, 2026201-500511 contacts →

Exact match

“At Doctors of BC, we make a meaningful difference in improving health care for British Columbians by working alongside our physician members to achieve quality patient care…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSacramento, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
7Exact matchFairfax, VA, United StatesHQ recorded Sep 20, 202611-50108 contacts →

Exact match

“The Society of Interventional Radiology is a national organization of physicians, trainees, students, scientists, clinical associates and other allied health professionals…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchCiudad Autónoma De Buenos Aires, ArgentinaHQ recorded Sep 20, 202611-50101 contacts →

Exact match

“La Sociedad Argentina de Terapia Intensiva (SATI) fue fundada el 22 de Diciembre de 1972.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMechanicsburg, PA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10Exact matchRet., ArgentinaHQ recorded Sep 20, 202611-5084 contacts →

Exact match

“Creemos en la Educación Médica Continua.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchUtrecht, NetherlandsHQ recorded Sep 20, 202611-5065 contacts →

Exact match

“De NIV is de wetenschappelijke vereniging staat voor 3.700 internisten (in opleiding) en is het aanspreekpunt voor alle beroepsinhoudelijke en maatschappelijke aangelegenheden met…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchColumbus, OH, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13Exact matchColorado Springs, CO, United StatesHQ recorded Sep 20, 202651-20052 contacts →

Exact match

“We create best-in-class learning tools to help you excel in medical school, ace your internal medicine or pediatrics boards, and maintain your certification throughout your career.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchIndianapolis, IN, United StatesHQ recorded Sep 20, 202611-5052 contacts →

Exact match

“ISMA is the largest physician membership organization in Indiana, proudly serving physicians, medical students and the patients they care for since 1849.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 202611-5050 contacts →

Exact match

“The Society of General Internal Medicine is a member-based international medical association of 3,300 of the world's leading academic general internists, who are dedicated to…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchLisboa, PortugalHQ recorded Sep 20, 2026n/a48 contacts →

Exact match

“A SPMI, Sociedade Portuguesa de Medicina Interna, comemorou em 2016, 65 anos.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchPasig, PhilippinesHQ recorded Sep 20, 202611-5044 contacts →

Exact match

“The PCP is the umbrella organization of internists in the Philippines and was organized in 1953.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“AAIM is a consortium of five academically focused specialty organizations representing departments of internal medicine at medical schools and teaching hospitals in the United…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“The Genesis Hospitalist Medical Group is a network of private practice internal medicine physicians at Cedars-Sinai Medical Center in West Hollywood, CA.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchFinlandHQ recorded Sep 20, 202651-20029 contacts →

Exact match

“Suomen Lääkäriliitto on akavalainen ammattijärjestö, johon lähes kaikki maassa toimivat lääkärit kuuluvat.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchRoma, ItalyHQ recorded Sep 20, 20261,001-5,00024 contacts →

Exact match

“FADOI è la Federazione delle Associazioni dei Dirigenti Ospedalieri Internisti che nasce nel 1995 con l’intento di promuovere lo sviluppo delle conoscenze medico-scientifiche e…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 20261-1022 contacts →

Exact match

“The Los Angeles County Medical Association is an organization of dedicated physicians who advocate quality healthcare for all patients and serve the professional needs of its…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBern, SwitzerlandHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“Verband Schweizerischer Assistenz- und Oberärztinnen und -ärzte | Association suisse des médecins assistant(e)s et chef(fe)s de clinique | Associazione dei medici assistenti e…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“The San Diego County Medical Society (SDCMS) is a non-profit organization founded in 1870, chartered by the California Medical Association (CMA), and affiliated with the American…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 206 internal medicine societies worldwide

See the full list, filter by size, metro and specialty, and access 2,216 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal medicine societies worldwide at a glance

As of Sep 20, 2026
33.2%Verified-email coverage
32.4Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Berlin
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
102
11-50
57
51-200
21
201-500
10
501-1,000
7
1,001-5,000
3
5,001-10,000
2
10001+
3

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 internal medicine societies are linked below.
What qualifies
Company records worldwide whose business descriptions match “internal medicine societies” 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 2,216 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 20, 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.

Internal medicine societies by location

1 lists · largest first

Every Internal medicine societies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “internal medicine societies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal medicine societies are there worldwide?

RevenueBase identified 206 company matches for internal medicine societies worldwide 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?

American Medical Association tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most internal medicine societies?

The United States leads with 71 companies. Every internal medicine societies list by country and city is linked on this page.

Which city has the most internal medicine societies?

Berlin leads with 4 company records, followed by Alexandria (3) and Bern (3).

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 2,216 professional contacts with verified work emails tracked across these 206 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 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 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.