Dr. Robert A. Wainer is an orthopedic surgeon with Murphy Wainer Orthopedic Specialists in Greensboro, NC. He has over 20 years’ experience in sports medicine and orthopedic surgery, specializing in arthroscopy of the knee and shoulder, ACL and meniscus surgery, as well as rotator cuff and ligament surgery. Dr Wainer also specializes in total joint replacement of the knee and hip.