Aaron L. Stack, MD is board certified in Diagnostic Radiology and Nuclear Medicine. Dr. Stack earned his undergraduate degree at the University of Nebraska, majoring in General Science (1986-1990). He then earned his medical degree from the Uniformed Services University of the Health Sciences, School of Medicine (1990-1994), located in Bethesda, Maryland. He spent his Internship year at Fitzsimons Army Medical Center in Denver, Colorado. Dr. Stack then returned to the D.C. area and completed a four-year residency in Diagnostic Radiology, followed by a two- year fellowship in Nuclear Medicine. Dr. Stack has remained at Walter Reed since his training, and has served as both the Assistant Chief, and Chief of Nuclear Medicine, the Medical Director of the Nuclear Medicine Technologist training program, Medical Director of the Radio-Immunoassay Lab, Associate Program Director of the Nuclear Medicine Fellowship Program, and is an Assistant Professor of Radiology and Nuclear Medicine at the Uniformed Services University School of Medicine.