Osteopathic.org Association representing more than 64,000 physicians
American Osteopathic Association
The AOA is a member association representing more than 56,000 osteopathic physicians (D.O.s). The AOA serves as the primary certifying body for D.O.s, and is the accrediting agency for all osteopathic medical colleges and health care facilities.
The AOA's mission is to advance the philosophy and practice of osteopathic medicine by promoting excellence in education, research, and the delivery of quality, cost-effective healthcare within a distinct, unified profession.
View the history of the AOA—how it was developed and how it has evolved since its founding in 1897. Also get information on the structure of the organization, including biographies on the current staff and leadership. Learn more about the AOA's history and organizational structure now.