He completed his undergraduate work at Georgetown University before going on to earn his M.D. at the University of Nebraska, and also fulfilled a residency with Orlando Regional Healthcare before arriving at Texas Back Institute for his fellowship. He has been in private practice for over 6 years with Texas Back Institute. Dr. Duffy has authored numerous publications, presentations and book chapters pertaining to Orthopedic Spinal Surgery. In addition to his academic credentials, Dr. Duffy is also a member of the American Academy of Orthopedic Surgeons, the North American Spine Society and the American Board of Orthopedic Surgeons.