Where do they work? Physician assistants are employed in virtually all types of health care settings in urban and rural communities: hospitals clinics private physician offices schools HMOs military Veterans Administration Bureau of Prisons Public Health Service and other agencies The majority of PAs work in primary care medicine: family medicine internal medicine pediatrics obstetrics and gynecology Many PAs also work in specialty medicine, such as: cardiothoracic surgery orthopedics emergency medicine dermatology sports medicine That's not all. PAs may also work in the areas of: medical education health administration research Would you believe some PAs even make house calls!