Radiation Medicine Our People Radiation Oncology Physicians Our People Radiation Oncology Physicians Mark Edmund Bernard, MD Radiation Medicine Positions Held: Assistant Professor Denise Fabian, MD Radiation Medicine Positions Held: Assistant ProfessorResidency Program DirectorGynecologic Cancer Radiation Oncologist Aradhana Kaushal, MD Radiation Medicine Positions Held: ProfessorAssistant Dean, Rural Physician Leadership Program Ronald McGarry, MD, PhD Radiation Medicine Positions Held: ProfessorVice-Chairman for ResearchDirector of Body Radiosurgery Program Waleed Mourad, MD, DABR Radiation Medicine Positions Held: Professor Marcus E. Randall, MD, FACR, FASTRO Radiation Medicine Positions Held: Professor Emeritus William St. Clair, MD, PhD Radiation Medicine Positions Held: ProfessorGamma Knife Radiosurgery Director Eddy S Yang, MD, PhD Radiation Medicine Positions Held: ProfessorChair, Department of Radiation Medicine