| A | B |
| surgeon | performs operations to treat disease or injury |
| plastic surgeon | repair malformed or injured body part, may be cosmetic |
| orthopedic surgeon | repair bones and joints |
| neurologist | treat central nervous system disorder |
| psychiatrist | treats mental health |
| radiologist | diagnose and treat with x-rays and radioactive materials |
| pediatrician | treat children birth through adolescence |
| ophthalmologist | treat the eye |
| dermatologist | treat skin |
| anesthesiologist | use drugs and gases to sedate patients |
| cardiologist | treat the heart |
| obstetrcian | pregnancy and childbirth |
| gynecologist | female reproductive system specialist |
| pathologist | study causes and progression of disease |
| allergist | treat allergies |
| otolaryngologist | treat ear, nose, throat |
| chiropractor | treat musculoskeletal system, esp spine |
| podiatrist | treat feet, ankles, lower leg |
| urologist | male reproductive system specialist |
| oncologist | cancer treatment specialist |
| rheumatologist | treat arthritis and other diseases of the joints |
| hematologist | treat blood disease |
| endocrinologist | specialize in glands and hormones |