Hospital for Special Surgery (New York City). Founded in 1863, HSS represents America's oldest orthopedic hospital, now performing the most hip and knee surgeries in the nation. HSS is ranked first nationally in orthopedics and second in rheumatology by U.S. News & World Report for 2016-17. The hospital, which houses 215 licensed beds and 36 operating rooms, pioneered the regional anesthesia technique. Additionally, HSS radiologists established new protocols for diagnostic imaging of bones, tendons, ligaments and other soft tissues.
