John J. Waddell, MD, earned his medical degree from the University of Missouri School of Medicine. He was an internal medicine intern at the University of Missouri Hospitals and Clinics in Columbia, and completed his residency in diagnostic radiology there. Dr. Waddell is board certified by the American Board of Radiology and is professionally affiliated with the American College of Radiology, the American Roentgen Ray Society and the Society of Breast Imaging.