Mark Osterman, MD, MSCE 145 King of Prussia RoadPenn Medicine RadnorRadnor, PA, 19087 View Phone 215-316-5151 Fax: 610-902-1544 Toll Free: 800-789-7366 145 King of Prussia Road, Penn Medicine RadnorRadnor, PA 19087 View Website Experience & Reliability About Reservation Send to My Email Send to My Phone Print this Page