Jonathan Klee, MMS Physician Assistant, Orthopedic Trauma Program Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Listen Jonathan Klee, MMS Physician Assistant, Orthopedic Trauma Program Medical Services Programs & Services Orthopedics and Sports Medicine Orthopedic Trauma Program Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000