A medical school is a tertiary educational institution-or part of such an institution-that teaches medicine, and awards a professional degree for physicians and surgeons. Such degrees include the Doctor of Medicine (MD), Doctor of Osteopathic Medicine (DO), or Bachelor of Medicine, Bachelor of Surgery (BMBS, MBBS, MBChB). Many medical schools offer additional degrees, such as a Doctor of Philosophy, Master's degree, a physician assistant program, or other post-secondary education.