Before joining Summit Medical Group, Deborah J. Cheung, MD, was Medical Director of University Medical Practice Associates at St. Luke's - Roosevelt Hospital Center in New York City. She also was an instructor at Columbia University College of Physicians and Surgeons in New York City.
Dr. Cheung is a member of the Summit Medical Group Board of Directors. She has served on the American Board of Internal Medicine Clinical Competency Committee and Patient Education Committee at St. Luke's - Roosevelt Hospital. Dr. Cheung is a member of the American College of Physicians and Society of Internal Medicine. She is a former member of the Memorial Sloan-Kettering Cancer Center Consultant Medical Staff.