Kate Harpin, PA Physician Assistant, Orthopedic Center Image Phone 617-355-6021 Fax 617-730-0459 Email Email Me Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Kate Harpin, PA Physician Assistant, Orthopedic Center Medical Services Programs & Services Spine Division Orthopedics and Sports Medicine Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115