Tricia Sullivan, NP

Endocrinology involves diseases of the endocrine system. These diseases affect the body's hormones and metabolism. When hormones are out of balance, they can affect many parts of your health, like energy, weight, and mood. Optum can help identify the cause of your symptoms and provide diagnosis and treatment to help you live your healthiest life. Our board-certified endocrinologists specialize in treating a range of conditions including adrenal disorders, diabetes, polycystic overy syndrome (PCOS), genetic endocrine disorders, parathyroid disorders and thyroid disorders. Our team also provides a range of diagnostic testing and treatment services including bone density, continuous glucose monitoring and insulin pumps.

Did you know that Heart disease is the leading cause of death in the U.S.? This is why it’s important to have a cardiologist. Sander Jay Leiman, MD is a board-certified physician, specializing in Cardiovascular Disease. With an office conveniently located in Bethpage, NY, Dr. Leiman uses a personal approach to treat many heart diseases and conditions, both new and pre-existing. At Optum, our cardiologists offer a wide range of care, including echo stress test, electrocardiogram (EKG), echocardiogram, pacemaker monitoring and more. Optum accepts most major health plans.

Douglas Mund MD is Board Certified in Rheumatology and Internal Medicine. He is an author of a number of articles and letters to the editor in peer reviewed medical journals. Dr. Mund has been on staff at numerous metropolitan hospitals. Dr...