Seyed Babak Kalantar, MD, is a member of the MedStar Orthopaedic Institute and performs surgery at MedStar Georgetown University Hospital. Dr Kalantar is a professor and chief of the Division of Spine Surgery in the Department of Orthopaedics at the Georgetown University School of Medicine and the MedStar Orthopaedic Institute. He is also the Co-Director of MedStar Spine Center.