Dr. Lan received her medical education at the Mt. Sinai School of Medicine in New York and continued her Internship and Residency at the Mt. Sinai Medical Center. Dr. Lan has a special interest in women’s health issues and geriatric medicine, and is an Associate of the American College of Physicians. She is Board Certified in Internal Medicine and has been listed repeatedly in the Castle Connolly Guide as one of "The Top Doctors in the New York Metropolitan Area."