MD manager heads "corporation" of physicians.
D006279:Health Maintenance Organizations / Q000458:organization & administration; D007061:Idaho; D008486:Physician Executives; D011243:Preferred Provider Organizations / Q000458:organization & administration; D011362:Professional Corporations / Q000458:organization & administration*; D011364:Professional Practice / Q000458:organization & administration*; D014589:Utah; D014959:Wyoming