The Vital Role of Internal Medicine
ACP initiative celebrates the leadership and impact of internal medicine physicians.
Fighting Medical Misinformation and Disinformation
ACP is committed to stopping and preventing the spread of disinformation and misinformation, and vigorously supports the use of science and scientific expertise, based on the best available evidence.
Who We Are
ACP is the largest medical specialty organization in the United States with members in more than 172 countries worldwide. Our 161,000 members include internal medicine physicians, related subspecialists, and medical students.
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
The American College of Physicians acts locally through its chapters and regions. To learn more about chapter services, structure and operations, see our FAQ about chapters.
Armed Forces Chapters
The American College of Physicians acts locally through its chapters and regions. To learn more, see our FAQ about chapters.
Global Chapters
The American College of Physicians acts locally through its chapters and regions. To learn more about chapter services, structure and operations, see our FAQ about chapters.
ACP Global Engagement
ACP aims to connect, support, and inspire internists worldwide by meeting their unique needs through educational engagements, and rich and mutually beneficial collaborations with other organizations across the globe on a variety of programs.
ACP Leadership
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.
Awards and Masterships
ACP recognizes excellence and distinguished contributions to internal medicine. The College offers 23 national awards and a number of Masterships each year.
ACP Services
A set of resources for members interested in exploring how ACP is committed to supporting efforts that improve the practice of internal medicine.
Contact Us
Let us answer your questions. Contact our helpful Member and Product Support team today.