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Gastroenterologist, Hepatologist
38 years of experience
Video profile
Accepting new patients
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

  • Currently 4 of 4 stars
Patient comments (2)

The overall average patient rating of Dr. John Vierling, Gastroenterologist, Hepatologist is Excellent. Dr. Vierling has been reviewed by 3 patients who have provided 2 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 3.5
  • Currently 3.5 of 4 stars
Promptness 4.0
  • Currently 4 of 4 stars
Courteous Staff 4.0
  • Currently 4 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

Dr. John Vierling, MD is board certified in Gastroenterology.

  • He has special expertise in 9 areas:
  • Bile Duct inflammation (Cholangitis)
  • Gilbert Disease
  • Hepatic Encephalopathy
  • Hepatitis
  • Hepatocellular Carcinoma
  • Liver Cirrhosis
  • Liver Cirrhosis (Biliary)
  • Liver Diseases
  • Liver Transplantation

Education & Awards

Dr. Vierling graduated from Stanford University. He has 3 awards.

One of America's Leading Experts on:
Biliary Liver Cirrhosis
Liver Transplantation
Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2014)


Dr. Vierling has 6 hospital affiliations:

  • St Luke's Episcopal Hospital 
  • The Methodist Hospital 


  • German
  • Spanish

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Additional Information
Dr. John M Vierling MD is a male Internist, has 38 years of experience and practices in Gastroenterology and Hepatology.
Where does Dr. John M. Vierling practice?
Dr. John Vierling has 3 office locations.
Dr. John Vierling practices Gastroenterology and Hepatology near Houston, TX.
See Houston Gastroenterologists and Houston Hepatologists.