Robert Bryan Mason, MD, is a board-certified neurosurgeon who performs surgery at MedStar Georgetown University Hospital and MedStar Washington Hospital Center. As a member of the MedStar neurosurgery team, Dr. Mason performs brain and spinal surgeries on patients of all ages, but primarily adults. He came to MedStar Georgetown in 2008 from private practice in Minneapolis. Previously, he was at the National Naval Medical Center in Bethesda, Md., where he was chief of Neurosurgery.