Keith R. Unger MD

Keith Unger, MD, is the Interim Chief of Radiation Oncology and Director of the Gastrointestinal Cancer Service for the Department of Radiation Oncology at MedStar Georgetown University Hospital, and director for the department's residency training. He is the Acting Academic Chair of the Department of Radiation Medicine and a Professor at Georgetown University School of Medicine. He currently serves as chair of MedStar Georgetown University Hospital's cancer committee. Dr Unger's clinical practice focuses on the treatment of complex gastrointestinal cancers and sarcomas as well as advanced radiation therapy techniques.

Dr. Unger completed his internship at MedStar Washington Hospital Center and residency at MedStar Georgetown University Hospital, including a year as chief resident for Radiation Oncology. He received both his undergraduate and medical degrees from the University of Virginia, where he was the recipient of numerous academic honors and awards.

As a researcher and educator, Dr. Unger has been a co-author of multiple textbook chapters and publications in peer-reviewed journals, as well as a presenter at major medical meetings. His research focuses on the development of novel radiation therapy techniques and reduction in treatment-related side effects. He is an investigator for several active clinical and basic science research studies and his work has been supported by grant funding. He previously served as chair of the gastrointestinal committee for the annual meeting of the American Society of Clinical Oncology and serves as a member of a physician advisory board for proton therapy.