American Board of Physician Specialties

The American Board of Physician Specialties (ABPS), the official certifying body for the American Association of Physician Specialists (AAPS) is a non-profit umbrella organization for sixteen medical specialty boards that certifies and re-certifies physicians in fourteen medical specialties in the United States and Canada. It is one of three certifying bodies in the United States in addition to the American Board of Medical Specialties, and American Osteopathic Association Bureau of Osteopathic Specialists.

Source: Wikipedia — American Board of Physician Specialties (CC BY-SA 4.0)