Who We Are

Convocation at the Internal Medicine Meeting.

The American College of Physicians (ACP) is a diverse community of internal medicine specialists and subspecialists united by a commitment to excellence. Internists apply scientific knowledge and clinical expertise to the diagnosis, treatment, and compassionate care of adults across the spectrum from health to complex illness. With 159,000 members in countries across the globe, ACP is the largest medical-specialty society in the world. ACP and its physician members lead the profession in education, standard-setting, and the sharing of knowledge to advance the science and practice of internal medicine.

Current Total Member: 1438 (Total Master- 4, Total Fellow- 107,
Total Member-603, Total Resident- 24)

Mission, Vision, Goals & Core Values

Mission: To enhance the quality and effectiveness of health care by fostering excellence and professionalism in the practice of medicine.

Vision: To be recognized globally as the leader in promoting quality patient care, advocacy, education and career fulfillment in internal medicine and its subspecialties.

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Diversity, Equity and Inclusion Policy

ACP embraces diversity, inclusion and equity as key strategies for strengthening our organization.

ACP FY 2018-20 Strategy

ACP's FY 2018-20 Strategy, including priority themes, was approved by the Board of Regents on April 16, 2018.


ACP was founded in 1915 to promote the science and practice of medicine, and since then has supported internists in their quest for excellence. By sharing the most updated medical knowledge, offering top-notch educational resources, and a wide array of additional benefits, ACP has shown a commitment to internal medicine and those who practice it.

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IM Proud

There are many reasons ACP members are proud to practice internal medicine. See what your colleagues have to say and then tell us your reason.

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Member Profiles

An ongoing series of physician profiles highlighting those who chose internal medicine as a career path and have had fulfilling and successful lives based on that choice.

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ACP Leadership

Information on our Board of Regents, Board of Governors, Executive Officers, and Staff Leadership, as well as a thorough listing of the various committees, boards and councils making up the college.

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Support ACP

Learn more about how you can show your support for ACP's mission to enhance the quality and effectiveness of health care by fostering excellence and professionalism in the practice of medicine.

Support ACP

Get Engaged

Connect and engage with like-minded internists through volunteering opportunities and online forums.

Get Engaged

Relationships with Industry

ACP is committed to transparency in our approach to our relationship with industry partners.

View ACP's Relationships with Industry

More About ACP