Endocrinologists are specially trained physicians who diagnose diseases related to the glands. The diseases they are trained to treat often affect other parts of the body beyond glands. While primary care doctors know a lot about the human body, for diseases and conditions directly related to glands they will usually send a patient to an endocrinologist.

Family medicine is the medical specialty which provides continuing, comprehensive health care for the individual and family. It is a specialty in breadth that integrates the biological, clinical and behavioral sciences. The scope of family medicine encompasses all ages, both sexes, each organ system and every disease entity.

Infectious disease medicine is the subspecialty of internal medicine that focuses on diagnosing and managing infections. Although most common infections are treated by general internists and other specialty physicians, internists practicing infectious disease medicine are frequently called upon to help diagnose unknown infections and assist in managing difficult, unusual, or complicated infections. Infectious disease medicine requires an extensive understanding of the way in which bacterial, viral, fungal, and parasitic infections occur in humans and how they present clinically, as well as knowledge about antimicrobial agents, antibiotic resistance, vaccines, and other immunobiological agents. Because of their training, infectious disease internists are also uniquely equipped to deal with the environmental, occupational, and host factors that predispose to infection, as well as the basic principles of epidemiology and transmission of infection.

A physician who specializes in treating diseases of the female reproductive organs and providing well-woman health care that focuses primarily on the reproductive organs.

The medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes in internal medicine is referred to as an internist. Subspecialties of internal medicine include allergy and immunology, cardiology (heart diseases), endocrinology (hormone disorders), hematology (blood disorders), infectious diseases, gastroenterology (diseases of the gut), nephrology (kidney diseases), oncology (cancer), pulmonology (lung disorders), and rheumatology (arthritis and musculoskeletal disorders).

Pediatrics is the specialty of medical science concerned with the physical, mental, and social health of children from birth to young adulthood. Pediatric care encompasses a broad spectrum of health services ranging from preventive health care to the diagnosis and treatment of acute and chronic diseases.

The branch of medicine that deals with diagnostic images of anatomic structures made through the use of electromagnetic radiation or sound waves and that treats disease through the use of radioactive compounds. Radiological imaging techniques include x-rays, CT scans, PET scans, MRIs, and ultrasonograms.

A rheumatologist is an internist or pediatrician who received further training in the diagnosis (detection) and treatment of musculoskeletal disease and systemic autoimmune conditions commonly referred to as rheumatic diseases. These diseases can affect the joints, muscles, and bones causing pain, swelling, stiffness, and deformity.

Geriatrics is the subspecialty of internal medicine concerned with the health and well-being of older adults. Geriatricians diagnose, treat and manage diseases and conditions that require a special approach when dealing with older adults. They give special attention to situations of special concern, including falls, incontinence, preoperative assessment and post-operative management, cerebrovascular disease, dementia, sensory impairment and other cognitive and affective changes that occur with aging. Geriatricians often become the primary physician for older adults. If this is not the case, your primary physician might refer you to a geriatrician when a problem associated with aging requires special attention. In some cases, a family member might recognize a need for a geriatrician and suggest you consult one.

Dermatology focuses on the diagnosis and treatment of conditions related to the skin, hair, and nails. It also focuses on maintaining the health of your skin. Dermatologists are medical doctors who train in this area for many years, making them the experts in all things related to skin, hair, and nails.