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 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.

A urologist is a health professional who studies and treats disorders of the urinary tract. Urologists can conduct tests, perform surgery, and help resolve any issues that a patient may be having with urination. Urologists treat the kidneys, ureters, bladder, urethra, and adrenal glands. They can also treat some male reproductive organs that are connected to the urinary tract.