Dennis Priebat, MD MedStar Washington Hospital Center and Georgetown/Lombardi Cancer Center Dennis A. Priebat, MD FACP is an Emeritus Senior Attending in Medical Oncology at Medstar Washington Hospital Center (MWHC) and Clinical Professor of Medicine at Georgetown University. He is the past Section Director of Medical Oncology and former Program Director of the Hem/Onc Fellowship at MWHC. He has had a long- standing interest in the diagnosis and treatment of patients with bone and soft tissue sarcomas (including GIST), and has been involved in multiple clinical research studies. Dr. Priebat received his medical degree from the State University of New York at Stony Brook. He completed medicine residency at MWHC, and clinical and research fellowships in Hematology/ Oncology at the University of Utah.