Dr. Finkelstein is a board-certified internist and geriatrician actively practicing medicine and geriatrics for the past thirty five years in New York City. He is a clinical associate professor of medicine at NYU-Langone Medical Center, where he has been teaching medical students, physicians-in-training, junior faculty, colleagues, nursing staff, and patients since 1970. Dr. Finkelstein has been cited repeatedly as one of the "Best Doctors in New York" in geriatrics.