Mark Johnson, MD
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