Sherri Horonjeff, PA-C Lead Physician Assistant, Department of Otolaryngology and Communication Enhancement Image Phone 617-355-6460 Fax 617-730-0320 NPI 1669444394 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Waltham Boston Children's Waltham 9 Hope Ave. Waltham, Massachusetts 02453 Phone: 781-216-2100 Listen Sherri Horonjeff, PA-C Lead 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 Phone: 617-355-6000 Waltham Boston Children's Waltham 9 Hope Ave. Waltham, Massachusetts 02453 Phone: 781-216-2100