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Internist, Gastroenterologist (digestive)
35 years of experience
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).

Learn more about Dr. Ernesto Guerra:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Ernesto Guerra is Good. Dr. Guerra has been reviewed by 7 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.7
Courteous Staff 3.3
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.0

Specialties & Research

Dr. Ernesto Guerra, 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. Guerra graduated from The University of Texas at San Antonio. He has 2 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2014)


Dr. Guerra has 17 hospital affiliations:

  • CHRISTUS Santa Rosa Hospital 
  • Texas Heart Hospital 


  • English
  • Spanish

> > > > Dr. Ernesto Guerra, MD

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Additional Information
Dr. Ernesto Guerra MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Ernesto Guerra practice?
Dr. Ernesto Guerra has 1 office location.
Dr. Ernesto Guerra practices Internal Medicine and Gastroenterology near San Antonio, TX.
See San Antonio Internists and San Antonio Gastroenterologists.