COVID Update: Masks are still required in health care settings, even if you’re fully vaccinated. Read our FAQs.

John Johnson, MD

COVID-19 update:

If you suspect you have symptoms of COVID-19, please call our nurse line at 888-261-8431 before coming in or use one of our virtual care options. Do not schedule online. For general guidance on COVID-19, visit or call the county hotline at 2-1-1.

Dr. John Johnson, MD


Phone Number
150 W Washington St
San Diego, CA 92103
Get directions
Accepts new patients


  • Diagnostic Radiology


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.

Board Certifications

  • American Board of Radiology, Diagnostic Radiology, 1990

Medical Education

  • University of Florida College of Medicine, MD, 1985


  • Scripps Mercy Hospital San Diego, Internship-Medicine, 1986


  • University of California, San Diego, Diagnostic Radiology, 1989


  • University of California, San Diego, Vascular and Interventional Radiology, 1990
If you see an error or omission on a provider’s profile page, please contact us.