Orthopedic Spine Surgeon Thomas J. Hopkins, PhD, MD, is an Orthopaedic Spine Surgeon specializing in spine care across Tarzana, Encino, Woodland Hills, Reseda, Calabasas, Sherman Oaks, Studio City, North Hollywood, Valencia, Westlake Village, Granada Hills, Northridge, San Fernando Valley and other Los Angeles areas. He performs advanced procedures including minimally invasive spinal fusion, herniated disc surgery, and spinal reconstructive surgery.