300 Longwood Avenue Boston, MA 02115 (617) 355-6000 Clinical Services (Preoperative Clinic): Contact Us Locations Address Contact Children's Hospital Boston Pre-Op Clinic Main Building, 1st Floor Children's Hospital Boston 300 Longwood Avenue Boston, MA 02115 USA Phone: 617-355-3765 Fax: 617-734-1689 The information on this website should not be taken as medical advice, which can only be given to you by your personal health care professional. Copyright © Children's Hospital Boston. All rights reserved.