Hospital for Special Surgery 535 East 70th Street New York, NY 10021 ... Main Number / General Assistance / Operator. 212.606.1000. Patient Information - Find a patient in the hospital. 212.606.1377. Pediatric Orthopedic Urgent Care - Emergency hotline. 877.477.1543. MyHSS - Assistance with patient portal. 844.269.4509. Before Your Visit ....