Peter D. Arfken, M.D. Peter D. Arfken, M.D., a board certified radiologist, graduated from Ohio State University College of Medicine and completed a residency at Indiana University Medical Center. Dr. Arfken's special interests include nuclear medicine and musculoskeletal radiology. The former Indiana University School of Medicine radiology lecturer is a member of the American College of Radiology, Indiana Radiological Society, Radiological Society of North America, American Medical Association, Indiana State Medical Association, Indianapolis Medical Society and International Society for Clinical Densitometry.