| Specialty/physician | scope of practice/concentratio |
| Allergy/immunology | Diseases of an allergic nature |
| Anesthesiology
Anesthesiologist | Appropriate anesthesia for partial or complete loss of sensation |
| Bariatrics(cian) | Treatment of obesity |
| Cardiology(ist) | Diseases of the heart, arteries, veins, and capillaries |
| Dermatology(ist) (Derm) | Diseases of the skin |
| Endocrinology(ist) | Diseases of the endocrine system (the glands and the hormones they secrete) |
| Epidemiology(ist) | Epidemic diseases |
| Gatreoenterology(ist)
gastr/o (stomach) enter/o (intestines) | Diseases of the stomach and intestines |
| Gerontology(ist)
geront/p (old age) | Study of aspects of aging |
| Gynecology(ist) (GYN)
gynec/on (female) | Diseases of the female reproductive system |
| Hematology(ist)
hemat/o (blood) | Diseases of the blood and blood-forming tissues |
| Infectious Disease | Disease caused by the growth of the pathogenic microorganisms within the body |
| Internal Medicine
Internist | Diseases of internal origin not usually treated surgically |
| Nephronology(ist)
nephr/o (kidney) | Diseases of the kidney and urinary system |
| Family Practice (FP)
Family practitioner | Care ofm embers of the family regardless of age and/or sex |
| Neurology(ist) (Neuro) | Diseases of the nervous system |
| Obstetrics(ian) (OB) | Treatment of the female during pregnancy, childbirth, and postpartum |
| Oncology(ist) | Study of tumors |
| Ophthalmology(ist) | diseases of the eye |
| Orthopedic(ist) (Orth) | diseases and disorders involving locomotor structures of the body |
| Otorhinolaryngology(ist) (ENT) | Diseases of the ear, nose, and larynx |
| Pathology(ist) | Study of structural and functional changes in tissues and organs caused by disease |
| Pediatrics(ian) (Peds) | Diseases of children |
| Physical Medicine and Rehabilitation
Physiatrist | Treatment of disease by physical agent |
| Proctology (ist) | Diseases of the colon,rectum, and anus |
| Psychiatry(ist) (Psych) | Diseases of the mind |
| Pulmonary Diseases
Pulmonologist | Diseases of the lungs |