Dr. Rizor received his undergraduate degree in chemistry from Bates College, where he was elected to the Phi Beta Kappa national honorary fraternity. He received his Doctor of Medicine degree from The Medical College of Ohio (now the University of Toledo School of Medicine) in 1976. He completed two years of residency training in general surgery followed by two years of residency in anesthesiology at Dartmouth-Hitchcock Medical Center.
Prior to entering private practice in 1981, Dr. Rizor held an appointment to the faculty of the University of Virginia School of Medicine as Assistant Professor of Anesthesiology. He has previously served as Chairman of Anesthesiology and Vice Chairman of Surgery at North Fulton Regional Hospital in Roswell, Georgia. Prior to forming The Physicians' Pain and Rehabilitation Specialists of Georgia, he was President of the anesthesia practice affiliated with St. Joseph's Hospital of Atlanta, one of the largest group medical practices in the state of Georgia.
Dr. Rizor was certified by the American Board of Anesthesiology in 1981. He received the Subspecialty Certification in Pain Management from the American Board of Anesthesiology in 1993 and was re-certified in 2005. He is a member of the North American Spine Society, The American Society of Interventional Pain Physicians, The Southern Pain Society, and numerous state and local professional organizations.
He co-authored one of the first clinical reports on the use of long-term spinal infusions for the treatment of chronic pain. He was one of the pioneers in the field of spinal endoscopy, developing micro endoscopic procedures for the non-surgical diagnosis and treatment of chronic back pain. His current clinical interests are focused on painful spinal disorders, complex regional pain syndrome (CRPS/RSD), pain in the injured worker, and non-opiate treatment of chronic pain.
In response to the events of September 11, 2001, Dr. Rizor volunteered to join The US Army Reserve. He currently holds the rank of Lieutenant Colonel in the Medical Corps. He has served on active duty in Kosovo in 2004,Iraq in 2007-08., and Afghanistan in 2011.