Maria Semnack, RN, BSN Registered Nurse, Department of Plastics and Oral Surgery Image Phone 617-919-1245 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Maria Semnack, RN, BSN Registered Nurse, Department of Plastics and Oral Surgery Medical Services Programs & Services Plastic and Oral Surgery Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115