Hospital for Special Surgery is a nonprofit 501(c)(3) organization. Your donation is fully tax-deductible to the extent allowable by law.If you wish to have your name removed from lists used for fundraising requests to support Hospital for Special Surgery, please email Development@hss.edu, call 844-810-1321 (a toll-free number), or send a request to Hospital for Special Surgery, Development Department, 535 East 70th Street, New York, NY 10021.