Dr Roy John, MD, is an Associate Professor of Medicine at Northshore University Hospital, New York US. Dr John attended and graduated from medical school in 1979, having over 40 years of diverse experience, especially in Cardiovascular Disease (Cardiology). He is affiliated with many hospitals including Brigham And Women's Hospital, Lowell General Hospital, Vanderbilt University Hospital, Wentworth-Douglass Hospital, York Hospital.
