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Dr. John T. Dugan III

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1 review

Ratings for Dr. John T. Dugan III


His bedside manner is awesome as he took his time to discuss the outcome of my father's endoscopy in detail plus he counseled with my father's cardiologist about his meds. He was proactive in helping to diagnose the cause of my dad's anemia. A real lifesaver!!!

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flag | Submitted July 21, 2017

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Dr. John T. Dugan III's Credentials

Facility Affiliations

Accepting New Patients

Yes, this doctor is accepting new patients


Medical Specialty: Gastroenterology Education/Training: B.S. Mechanical Engineering - Texas A&M University, College Station, TX, 2002 M.D. - The University of Texas Houston Medical School, Houston, TX, 2010 Residency in Internal Medicine - The University of Texas Houston Medical School, Houston, TX, 2013 Fellowship in Gastroenterology, Hepatology and Nutrition - The University of Texas Houston Medical School, Houston, TX, 2016 Chief Gastroenterology Fellow - The University of Texas Houston Medical School, Houston, TX, 2016 Board Certification American Board of Internal Medicine, 2014 American Board of Internal Medicine - Gastroenterology, 2016 Special Skills & Interests Screening for Colon Cancer and Colon Polyps (including colonoscopy) Therapeutic and Diagnostic Endoscopy Radiofrequency Ablation (RFA) for Barrett’s Esophagus Heartburn, Acid Reflux, and Peptic Ulcer Disease (including Upper Endoscopy) Evaluation of Anemia and Gastrointestinal Bleeding Inflammatory Bowel Disease (Crohn’s Disease and Ulcerative Colitis) Celiac Disease Irritable Bowel Disease Diverticulosis and Diverticulitis Evaluation of Abnormal Liver Functions Tests Evaluation of Chronic Abdominal Pain, Nausea, and Vomiting Hospital Affiliations Houston Methodist Hospital Memorial Hermann Hospital – Texas Medical Center Recognitions and Awards Cheves and Isabella Smythe Excellence Award: for resident that exemplifies the qualities of “Selfless, Mentor, Young at heart, Thinker, Healer and Excellence” Monica Monet Holloway Barrett, MD Award: for graduating internal medicine resident who exemplifies the professional qualities of integrity, excellence in patient care, leadership in community service and kindness of spirit


  • English


  • University of Texas Health Science Center at Houston (Grad. 2010)

Other Specialties

Areas of Expertise

  • Colon polyps

Awards & Recognitions

  • ABIM Board Certified IM
  • ABIM Board Certified Gastroenterology

Publications & Research


Insurance accepted by this Doctor

Other patients have successfully used these insurance providers, please call the Doctor's office to find out if your insurance plan is accepted.

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