Company lists · Data refreshed November 2026

Top 25 Internal medicine societies worldwide

RevenueBase identified 282 company matches for internal medicine societies worldwide as of November 2026 and tracks 8,794 professional contacts across them, including 2,641 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 November 6, 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 Nov 6, 2026 How this list was built
282Companies
8,794Contacts tracked
2,641Verified emails
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The 25 largest internal medicine societies worldwide

Ranked by team size
Top 25 of 282 company matches for internal medicine societies 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 matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,978 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPhiladelphia, DC, United StatesHQ recorded Nov 6, 2026201-500865 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000722 contacts →

Exact match

“Our Mission: To improve patient care with comprehensive clinical information and resources essential to physicians and healthcare professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 2026201-500553 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVancouver, CanadaHQ recorded Nov 6, 2026201-500430 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSofia, BulgariaHQ recorded Nov 6, 202610001+207 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFerney-voltaire, FranceHQ recorded Nov 6, 2026n/a175 contacts →

Exact match

“The World Medical Association (WMA) is an international organization representing physicians.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 202651-200167 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 2026n/a153 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“Suomalainen Lääkäriseura Duodecim on vuonna 1881 perustettu tieteellinen yhdistys, joka kehittää lääkärin ammattitaitoa ja käytännön työtä täydennyskoulutuksen, julkaisujen ja…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 202611-50109 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Sveriges läkarförbund är läkarnas fackliga och professionella organisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 202611-50102 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMechanicsburg, PA, United StatesHQ recorded Nov 6, 202651-20098 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“esanum is an online community for medical doctors with medical news and information, CME and congresses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRet., ArgentinaHQ recorded Nov 6, 202611-5082 contacts →

Exact match

“Creemos en la Educación Médica Continua.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202611-5062 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5060 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“The College of Physicians of Philadelphia, founded in 1787, is the oldest professional medical organization in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPasig, PhilippinesHQ recorded Nov 6, 202611-5055 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202611-5054 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202611-5051 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchColorado Springs, CO, United StatesHQ recorded Nov 6, 202651-20050 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“The Greater Louisville Medical Society was established in 1892 by physicians in Louisville who sought to unite with their colleagues on a local level.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“The Alliance for Academic Internal Medicine (AAIM) promotes the advancement and professional development of its members who prepare the next generation of internal medicine…”

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

Showing 25 of 282 internal medicine societies worldwide

See the full list, filter by size, metro and specialty, and access 2,641 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 Nov 6, 2026
30.0%Verified-email coverage
31.2Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
131
11-50
83
51-200
32
201-500
10
501-1,000
10
1,001-5,000
7
5,001-10,000
3
10001+
4

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 2,641 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.

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 282 company matches for internal medicine societies 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?

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 101 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 6 company records, followed by Buenos Aires (5) and Sao Paulo (5).

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 2,641 professional contacts with verified work emails tracked across these 282 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.