Patient Portal. Pay Your Bill (Calvert Orthopaedic & Sports Medicine Only) Request an Appointment. Schedule Now. Calvert Orthopaedic & Sports Medicine - Dunkirk 10845 Town Center Blvd , # 101, Dunkirk, MD 20754. More Info. The Centers for Advanced Orthopaedics ... The Virginia-D.C.-Maryland Region's Leading Orthopaedic Practice.