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Internist, Gastroenterologist (digestive)
38 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).

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Specialties & Research

Dr. John Fletcher, 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. Fletcher graduated from The University of Texas at Houston.


Dr. Fletcher has 7 hospital affiliations:

  • Texoma Medical Center 
  • Texas Health Presbyterian Hospital Plano 

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Additional Information
Dr. John Thomas Fletcher MD is a male Internist, has 38 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. John T. Fletcher practice?
Dr. John Fletcher has 1 office location.
Dr. John Fletcher practices Internal Medicine and Gastroenterology near Sherman, TX.
See Sherman Internists and Sherman Gastroenterologists.