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Mark Y. Johnson, MD

Gastroenterology

Monday – Friday, 9 a.m. – 5 p.m.

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Dr. Mark Johnson received his medical degree at the George Washington University. He then completed his internship and residency in Internal Medicine at the University of Southern California, School of Medicine. He continued his medical training and completed his Gastroenterology fellowship at the VA Long Beach Healthcare System.

Dr. Johnson has over 35 years of medical experience. He is certified by the American Board of Internal Medicine and the American Board of Gastroenterology. Dr. Johnson is currently welcoming new patients.

Languages Spoken
  • › English
  • › Spanish
Board Certifications
  • › American Board of Internal Medicine
Education
  • › The George Washington University, MD - 1973
  • › University of Southern California, School of Medicine, Internal Medicine Internship - 1976
  • › University of Southern California, Internal Medicine Residency – 1977
  • › VA Long Beach Healthcare System, Gastroenterology Fellowship
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Map

480 4th Avenue
Ste. 506
Chula Vista, CA, 91910

Insurances Accepted
PPO
  • Aetna
  • Aetna Medicare Advantage
  • Arizona Foundation
  • Beech Street
  • CIGNA
  • Coventry / First Health
  • Great-West Healthcare
  • Health Management Network, Inc.
  • Humana ChoiceCare
  • MultiPlan
  • Pacific Foundation for Medical Care
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • Scripps Employee Medical Plan
  • Three Rivers
  • USA MCO
HMO
  • Aetna
  • Aetna Medicare Advantage
  • Alignment Health Medicare Advantage
  • Anthem Blue Cross
  • Anthem Blue Cross Medicare Advantage
  • Blue Shield of California
  • Blue Shield of California Promise Medicare Advantage
  • Cigna
  • Health Net
  • Health Net Medicare Advantage
  • Humana Healthcare Advantage
  • Scan Medicare Advantage
  • Scripps Health Plan
  • United Healthcare
  • United-AARP Medicare Advantage

Need help?

Contact Mark Y. Johnson, MD for more assistance at (619) 585-0313.