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Who We Are
ACP is a national organization of internists, the largest medical-specialty organization, and second-largest physician group in the United States. Our 148,000 members include internists, internal medicine subspecialists, medical students, residents, and fellows.
About Internal Medicine
Internal medicine physicians are specialists who apply scientific knowledge and clinical expertise to the diagnosis, treatment, and compassionate care of adults across the spectrum from health to complex illness.
Chapters & Regions View a complete list
United States Chapters & Regions
Latin American Chapters
Armed Forces Chapters
For international medical students, graduates, and practicing physicians across the globe: Learn more about what ACP's diverse presence means to members in over 145 countries worldwide.
ACP is governed by an elected Board of Regents, which manages business and policy issues. The Board is advised by a network of ACP committees and by the ACP Board of Governors.
ACP recognizes excellence and distinguished contributions to internal medicine. The College offers 23 national awards and a number of Masterships each year.
A set of resources for members interested in exploring how ACP is committed to supporting efforts that improve the practice of internal medicine.