Dr. E. Quinn Regan is a board-certified orthopedic surgeon with fellowship training in spine surgery. He specializes in cervical and lumbar degenerative conditions, including spinal tumors, stenosis, herniated discs, and sciatica. With a background in engineering, Dr. Regan applies innovative, minimally invasive techniques to patient care. Having lived with back pain for 25 years, he brings compassion and personal understanding to his practice. An assistant clinical professor at the University of Illinois College of Medicine, he also conducts research focused on reducing spinal surgery infection rates.