Dr. Hessing completed his medical internship at the University of Oregon in 1981. He completed his Orthopaedic Surgery Residency at Southern Illinois University located in Springfield, Illinois in 1985.
Dr. Hessing has served the Boise community by joining numerous committees with St. Alphonsus Regional Medical Center including Utilization Review Committee, Trauma Committee, Orthopaedic Supervisory Committee, and the Medical Executive Committee. Additionally, Dr. Hessing has also acted as a board member for Idaho Elks Rehabilitation Hospital, Saint Alphonsus Physical Therapy Institute, Ada County Paramedics, and St. Alphonsus Orthopaedic Institute. Dr. Hessing continues to serve as the Medical Director of Treasure Valley Hospital and as President and one of the founding members of the Independent Doctors of Idaho.