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Internist, Gastroenterologist (digestive)
39 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

3.5
  •  
(9)
Patient comments (4)

The overall average patient rating of Dr. Mark Johnson is Good. Dr. Johnson has been reviewed by 9 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
  •  
Promptness 3.7
  •  
Courteous Staff 3.7
  •  
Accurate Diagnosis 3.7
  •  
Bedside Manner 3.7
  •  
Spends Time with Me 3.7
  •  
Follows Up After Visit 3.7
  •  

Specialties & Research

Dr. Mark Johnson, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Johnson graduated from George Washington University.


Affiliations

Dr. Johnson has 17 hospital affiliations:

  • Scripps Mercy Hospital San Diego 
  • Sharp Memorial Hospital 

Languages

  • English
  • Spanish

> > > > Dr. Mark Johnson, MD

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Additional Information
Dr. Mark Johnson MD is a male Internist, has 39 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Mark Johnson practice?
Dr. Mark Johnson has 1 office location.
Dr. Mark Johnson practices Internal Medicine and Gastroenterology near Chula Vista, CA.
See Chula Vista Internists and Chula Vista Gastroenterologists.