Welcome to the Upper East Side Endocrinology section containing Endocrinologists in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Endocrinologists concentrate on disorders of the endocrine system (a collection of glands that produces hormones that regulate the body's rate of metabolism, growth, and sexual functioning). An endocrinologist treats patients with such disorders as diabetes or thyroid problems. Endocrinology is a subspecialty of internal medicine. In this section you can find Endocrinologists in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Be sure to hold your mouse over any bold-italicized listings for a special pop-up description.