John Johnson, MD, is accomplished in all aspects of diagnostic radiology. He has received special training in cross-sectional body imaging (ultrasound, computed tomography, and MRI). In addition, he has expertise in numerous vascular and non-vascular interventional radiologic procedures.

Since joining Radiology Medical Group in 1990, Dr. Johnson has held several positions of leadership within the group. He is currently Chief of Radiology at Scripps Mercy Hospital and sits on several committees within Scripps Health that deal with the selection and implementation of advanced medical imaging technology within the system.

Dr. Johnson also serves as Director of Utilization Management within Radiology Medical Group. He is co-editor of “Imaging Guidelines”, which are proprietary Radiology Medical Group utilization guidelines for medical imaging that have been adopted by the international utilization management firm Milliman and Robertson in their ambulatory medicine guidelines.