Dr. Ronald Tamler, clinical director of the Mount Sinai Diabetes Center, is a board-certified endocrinologist and internist and is certified as a nutrition-support physician and diabetes educator. He specializes in Type 1 and Type 2 diabetes and diabetic complications, but also treats patients with general endocrine problems (e.g. thyroid disease). He sees patients at the Mount Sinai Diabetes Center, located at 10 East 102nd street on the 5th Floor. Dr. Tamler particularly specializes in the endocrinology of men and has significant expertise in treating hypogonadism (low testosterone), male osteoporosis (brittle bones) and erectile dysfunction (impotence) and in advising on the use of nutritional supplements for hormonal diseases. He is an honorary police surgeon for the NYPD.