Paul B. Fowler, MD, is a board-certified radiation oncologist and chief of Radiation Oncology at MedStar Union Memorial Hospital and MedStar Good Samaritan Hospital. He specializes in the treatment of a wide range of cancers, including breast cancer. Dr. Fowler also serves as physician planner for the hospital's Tumor Board and is also an investigator with several clinical trials sponsored by the National Cancer Institute.

A member of professional organizations that include the American College of Radiation Oncology, the American College of Radiology and the American Society of Therapeutic Radiation Oncology, Dr. Fowler has been recognized as one of the region's Top Doctors by Baltimore magazine on numerous occasions. He is an avid gardener, enjoys traveling and loves animals.