Home Find a Doctor Ronald Johnson, MD Ronald 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 cdc.gov or call the county hotline at 2-1-1. Dr. Ronald Johnson, MD 0 patients recommend this physician Contact Phone Number 619-244-0884 Office P.O. Box 2507 La Mesa, CA 91943 Get directions Accepts new patients Specialties General Surgery Hospital Affiliations Scripps Mercy Hospital Languages English Specialties General Surgery OverviewOffice Locations (1) Board Certifications American Board of Surgery, General Surgery, 1975 Medical Education University of Illinois at Chicago, MD, 1968 Residencies University of Illinois at Chicago, General Surgery, 1974 Office P.O. Box 2507 La Mesa, CA 91943 Get directions Phone Number 619-244-0884 If you see an error or omission on a provider’s profile page, please contact us.