Dr. Babak Khamsi | Haider Spine Center A Persian Orthopedic Surgeon in Riverside, California Haider Spine Center (HSC) was founded by Dr. Thomas Haider in 1992. It is the largest comprehensive spine center in Southern California. The physicians of Haider Spine Center come from orthopedic surgery and neurosurgery background with fellowship training in spine surgery. Physicians at HSC serve as clinical faculty at the University of California Riverside and UCLA. Haider Spine Center provides compreh