| A | B |
| Geriatric physician | treats elderly people |
| Neurologist | treats disorders of the nervous system |
| Oncologist | specializes in treating cancer |
| Obstetrician | concerned with pregnancy and childbirth |
| Orthopedist | treats disorders of the bones and joints |
| Pediatrician | specializes in the care of children |
| Cardiologist | specializes in heart diseases |
| Allergist | treats people with allergies |
| Gynecologist | specializes in the female reproductive system |
| Urologist | specializes in the urinary system and male reproductive system |
| Ophthalmologist | treats disorders of the eye |
| Otorhinolaryngologist | treats the ear, nose and throat |
| Pathologist | studies tissues and cells |
| Internist | deals with problems of the internal organs |
| Dermatologist | treats disorders of the skin |
| Anesthesiologist | administers pain medication for surgery |
| Gastroenterologist | specializes in the digestive system |
| Hematologist | treats disorders of the blood |
| Plastic surgeon | reconstructive surgery |
| Psychiatrist | treats mental disorders |