accreditation council for continuing medical education accreditation council for graduate medical education alpha omega alpha american association of colleges of osteopathic medicine american association of physician specialists american board of disaster medicine american board of family medicine american board of internal medicine american board of medical specialties american board of ophthalmology american board of otolaryngology american board of physician specialties american board of plastic surgery american board of preventive medicine american board of psychiatry and neurology american board of radiology american board of surgery american medical association american medical student association american osteopathic association american osteopathic association bureau of osteopathic specialists association of american medical colleges comlex-usa commission on osteopathic college accreditation comparison of md and do in the united states continuing medical education doctor of medicine doctor of osteopathic medicine health science liaison committee on medical education list of medical schools in the united states list of medical specialty colleges in the united states medical college admission test medical school in the united states medicine national matching service national resident matching program nursing nursing board certification physician post-nominal letters pre-medical sigma sigma phi student national medical association united states medical licensing examination virtual patient