He completed his undergraduate studies at Stanford University and attended medical school at the University of Arizona. After a surgical internship at the University of California San Francisco, he received his orthopedic training, again at the University of Arizona. Dr. Duffey brings considerable experience and expertise in arthritis surgery and joint replacement of knees, hips and shoulders. He has used computer assisted surgery in addition to minimally invasive techniques for the last several years. Dr. Duffey has also been very active in youth, high school and college sports medicine. He is accomplished in arthroscopic treatment of both simple and complex sports injuries. He is also happy to see the aging athlete and weekend warrior, as he is one himself.