- Dr. Lloyd Hey is an Orthopaedic Spine Surgeon at Duke University Medical Center specializing in spinal deformity, including scoliosis, spondylolisthesis, kyphosis and post-traumatic deformity. He also treats disc herniations and other degenerative spinal conditions of the neck and lower back, as well as caring for patients with orthopaedic trauma.www.lloydhey.com