Homer F. Beltz, M.D. Homer F. Beltz, M.D., a board certified radiologist, serves as president and chief executive officer of Northwest Radiology Network. Chief of imaging at St. Vincent Hospital and an alumnus of the University of Michigan Medical School, Dr. Beltz completed a residency at Indiana University Medical Center. His special interests include general imaging and musculoskeletal imaging. He served in the U.S. Navy as a radiologist. The former Indiana University School of Medicine lecturer is a member of the American College of Radiology, Radiological Society of North America, Indiana Radiological Society,  American Medical Association, Indiana State Medical Association, Indianapolis Medical Society and the International Society for Clinical Densitometry.