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Internist, Gastroenterologist (digestive)
45 years of experience
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. James Duncan, 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. Duncan graduated from Tulane University, New Orleans.


Affiliations

Dr. Duncan has 1 hospital affiliations:

  • Methodist Hospital 

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Additional Information
Dr. James Malcolm Duncan MD is a male Internist, has 45 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. James M. Duncan practice?
Dr. James Duncan has 1 office location.
Dr. James Duncan practices Internal Medicine and Gastroenterology near San Antonio, TX.
See San Antonio Internists and San Antonio Gastroenterologists.