Oswego Health has hired David Wang, M.D., of CRA Medical Imaging, as the new chief of service for medical imaging. He has more than 20 years experience as a physician radiologist. Wang earned his medical degree from Wayne State University in Detroit, Mich. and completed his residency in diagnostic radiology at Sinai Hospital of Detroit and his fellowship at Henry Ford Hospital in nuclear medicine, also located in Detroit. While he is trained in all medical-imaging areas, he specializes in nuclear medicine and mammography.