Kristen Koch, PA-C Surgical Physician Assistant, Department of Otolaryngology and Communication Enhancement Image NPI 1205074721 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Kristen Koch, PA-C Surgical Physician Assistant, Department of Otolaryngology and Communication Enhancement Medical Services Programs & Services Otolaryngology and Communication Enhancement Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115