Contact Info | History & Mission | Physician Profiles | Career Opportunities Mark A. Bittles, M.D. Dr. Bittles received his Bachelor of Science in Biology at Georgetown University in Washington, D.C. He earned his medical doctorate at the University of Tennessee College of Medicine in Memphis, Tennessee and completed an internship in pediatrics at the Cincinnati Children’s Hospital Medical Center in Cincinnati, Ohio. He performed a diagnostic radiology residency at the University of Washington Medical Center in Seattle, Washington, where he also completed a fellowship in interventional radiology. Board Certified by the American Board of Radiology, Dr. Bittles is a member of several professional societies including the Radiologic Society of North America, American Roentgen Ray Society, and the Society of Vascular and Interventional Radiology. Before joining Radiology Alliance, Dr. Bittles was an Assistant Professor of Interventional Radiology at Vanderbilt University.