Diagnostic Imaging and Radiology - Danbury Hospital Medical Arts Center. Imaging & Radiology. 111 Osborne St. Danbury, CT 06810. (203) 739-4999 TTY (800) 842-9710. driving directions. Overview. Western Connecticut Health Network is now Nuvance Health. We offer a full suite of imaging and radiology services, backed by the expertise of a team of ....