American College of Physicians (ACP)

The American College of Physicians (ACP) founded National Internal Medicine Day in 2019 to recognize the contributions of internal medicine specialists and subspecialists who are united by a commitment to excellence around the world. ACP represents 163,000 internal medicine physicians (internists), related subspecialists, and medical students across the globe, and 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.