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About ACP

We are a diverse, global community of internal medicine specialists and subspecialists united by a commitment to excellence.

    Featured The Changing Practice and Promise of Medicine

    Watch Video: The Changing Practice and Promise of Medicine

    In this video, Nirav R. Shah, MD, MPH, MACP, poignantly describes the changing landscape and dynamic of internal medicine and discusses how transitions in team-based care in the future will allow for better patient outcomes.

    Watch Video

    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 159,000 members include internists, internal medicine subspecialists, medical students, residents, and fellows.

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    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.

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    Chapters & Regions View a complete list

    United States Chapters & Regions

    All 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.

    Canadian Chapters

    All Provinces

    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.

    Latin American Chapters

    The American College of Physicians acts locally through its chapters and regions. To learn more, 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.

    Additional International 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

    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.

    In International:

    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 and let us help you in any way that we can.