David M. Scher, MD

Dr. Sink is Chief of the Hip Preservation Service at HSS. He specializes in the treatment of hip disorders, such as hip dysplasia, in patients ranging from newborns to adults.

Dr. Widmann is Professor of Orthopedic Surgery and has served as Chief of the Pediatric Orthopedic Surgery Service at HSS since 2004. Dr. Widmann specializes in the surgical and nonsurgical treatment of pediatric spinal deformity and pediatric limb deformity. Dr. Widmann is an expert pediatric spinal deformity surgeon and pediatric limb deformity surgeon with established clinical and research expertise, and has published over 50 peer-reviewed articles and multiple book chapters. Dr. Widmann is focused on providing state-of-the-art surgical and nonsurgical management for pediatric patients with complex deformities.

Dr. Osei is a dedicated clinician who treats a wide range of clinical problems affecting the hands, wrists, forearms, and elbows, from simple to complex. He also treats peripheral nerve injuries and other nerve conditions in the upper and lower extremities.