After receiving his medical degree from Baylor College of Medicine, Jack Deetjen, MD served in the Air Force for nearly ten years. During his time in the military, he completed an internship in General Surgery at Wright Patterson US Air Force Medical Center and then a residency in Orthopaedic Surgery from Wilford Hall US Air Force Medical Center. Dr. Deetjen has been actively practicing Orthopedics in Seguin and at GRMC since 1992.