 This practice evolved into Madison Radiologists, S.C. and at the time of his departure in 1973 in addition to an office at 20 S. Park St. in Madison, served St. Mary's Hospital Medical Center, St. Clare's Hospital, Baraboo, and General Hospital Sauk City as well as the hospitals in Darlington and Dodgeville.He opened a new private office practice, Stiennon Radiology Group at One South Park St in Madison in 1975 and continued to practice in association with his two radiologist sons until his retirement in 2001.He was a flutist and chamber music exponent, regularly assembling chamber music groups at his home.