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Mark Johnson, MD

COVID-19 update:

If you have a fever and/or respiratory symptoms, please call our COVID-19 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. For other patients, please do not schedule non-essential appointments at this time. Call your doctor’s office if you have questions.

Dr. Mark Johnson, MD
Dr. Mark Johnson, MD
63 patients recommend this physician

Contact

Office
480 Fourth Ave
Ste 506
Chula Vista, CA 91910
Get directions

Specialties

  • Gastroenterology

Expertise

  • Gastroenterology

Hospital Affiliations

Languages

Spanish, English

Specialties

  • Gastroenterology

Biography

Dr. Mark Johnson is a gastroenterologist and has more than 35 years of medical experience. He can help patients suffering from Crohn’s disease, colitis, diverticulitis, irritable bowel syndrome and other conditions. He welcomes new patients.

Board Certifications

  • American Board of Internal Medicine, Gastroenterology, 1981
  • American Board of Internal Medicine, Internal Medicine, 1976

Medical Education

  • George Washington University, MD, 1973

Residencies

  • University of Southern California School of Medicine, MD, Internal Medicine, 1977

Fellowships

  • University of California at Irvine Medical Center, MD, Gastroenterology, 1981
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