Endocrinologists are medical professionals who specialize in glands and the hormones they produce. They also deal with chemical processes in the body and how they help the body turn food into energy, grow, heal, and function. They help treat a variety of illnesses and diseases like diabetes, thyroid diseases etc.

An infectious disease specialist is a medical professional who has been trained to prevent, diagnose, and treat infectious diseases. They see patients who are exhibiting signs or symptoms of an infectious disease and perform a variety of tests to determine the type of disease and prevent it from spreading.

An internist or Internal Medicine doctor is someone who specializes in diagnosing and treating illnesses, diseases, and health problems. Most internists are also primary care doctors and treat patients on a regular basis. They can diagnose and treat common illnesses or more serious problems. Most people see an internist regularly. Those with chronic illnesses may do so on a monthly or even weekly basis. Internists are the most common types of doctors.

Oral and Maxillofacial Surgery is a medical subspecialty that can help treat diseases and disorders of the face, head, neck, and soft tissues of the jaw. It can include surgical and non-surgical interventions for issues of this sort. While it is generally considered a subspecialty of medicine, it is also closely related to dentistry. In fact, some oral and maxillofacial surgeons may even work with dental problems or in conjunction with dentists to solve oral and dental complications.