Ronald D. Ennis, MD

Ronald D. Ennis, MD, serves as an Associate Director of Continuum Cancer Centers of New York and Director of Radiation Oncology at St. Luke's and Roosevelt Hospitals. He is also an attending physician in the Department of Radiation Oncology at Beth Israel Medical Center. Prior to joining Continuum, Dr. Ennis served as Medical Director in the Department of Radiation Oncology at College of Physicians and Surgeons of Columbia University and as an associate attending at New York Presbyterian Hospital-Columbia. Dr. Ennis's interests include prostate cancer, gynecologic cancers, pancreatic cancer, testicular cancer, and bladder cancer. He specializes in both brachytherapy and external beam radiotherapy including intensity-modulated radiotherapy. His research interests have focused on the development of special planning and delivery techniques for prostate brachytherapy and external beam therapy. Dr. Ennis has been named by Castle Connolly as one of America's Best Doctors and has been listed in New York magazine's annual issue of New York's Best Doctors. Dr. Ennis also serves as an associate professor of radiation oncology at Albert Einstein College of Medicine. Dr. Ennis received his medical degree from Yale University School of Medicine in 1990. After an internship at the Long Island Jewish Medical Center, he completed his residency in therapeutic radiology at Yale University School of Medicine. Dr. Ennis is board certified by the American College of Radiology.