The American College of Physicians (ACP) is a professional organization for internal medicine specialists in the United States. Founded in 1915, it aims to enhance the quality of care for patients by providing education, resources, and advocacy for its members. The ACP supports physicians in their practice through various programs, including continuing medical education and clinical guidelines. In addition to supporting doctors, the ACP also focuses on improving healthcare policies and practices. It engages in research and promotes public health initiatives, ensuring that internal medicine remains a vital part of the healthcare system. The organization also publishes the well-respected journal, Annals of Internal Medicine.