Dr. Harris is Board-Certified in Physical Medicine and Rehabilitation (PM&R) and Pain Medicine. He was among the first physicians over twenty years ago to combine the fields of Regenerative Medicine, Interventional Spine injections, and Comprehensive Pain Management into a unified practice within one clinic. As of 2016, he has performed more than 30,000 interventional spine procedures, and approximately 110,000 regenerative injection procedures. Dr. Harris served as Medical Director for St. David’s Rehabilitation Center in Austin, Texas from 1992-2001. He has been an adjunct associate professor at the University of Texas at Austin in the Department of Electrical Engineering.