Dr. Frederick Greiner Barr, M.D.

A board-certified medical oncologist, Dr. Frederick G. Barr diagnoses and treats patients at Regional Cancer Care Associates in Maryland. He also practices at several local hospitals, including Johns Hopkins Medicine’s Sibley Memorial Hospital in Washington, DC, and Suburban Hospital in Bethesda, MD, as well as Holy Cross Hospital in Silver Spring, MD. As a medical oncologist, Dr. Barr specializes in diagnosing and treating various types of cancer, including leukemia, malignant neoplasms, and Hodgkin’s lymphoma. His professional journey in the medical oncology arena spans thirty-seven years. His expertise covers general medical oncology, chemotherapy, and bone marrow biopsy. Dr. Barr is also a top researcher in the field of molecular genetics of cancer and pediatric cancer.