Dr. Olthoff is a board-certified, fellowship-trained radiologist who has been practicing for over 10 years. He earned his medical degree from Chicago College of Osteopathic Medicine, Midwestern University, in Downers Grove, Illinois. Following medical school, he completed his Residency training in Diagnostic Radiology at the University of Illinois. Dr. Olthoff is also fellowship trained in Magnetic Resonance Imaging and Ultrasound Imaging at Rush University Medical Center in Chicago.
Dr. Olthoff is a member of the American College of Radiology, the American Osteopathic Association and the Chicago College of Osteopathic Medicine Alumni Association.
Dr. Olthoff and his wife Brenda love the Arizona outdoors and he enjoys restoring and collecting old cars. Brenda is an avid marathon runner who plans on competing in a marathon in all 50 states. So far, she has competed in marathons in 41 states. She also loves to rescue dogs.