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Browse Health
Internist, Gastroenterologist (digestive)
27 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. Thomas Johnson, 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. Johnson graduated from University of Illinois at Chicago.


Affiliations

Dr. Johnson has 6 hospital affiliations:

  • Mary Greeley Medical Center 
  • White Memorial Med Ctr 

Languages

  • Persian

> > > > Dr. Thomas Johnson, MD

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Additional Information
Dr. Thomas Dale Johnson MD is a male Internist, has 27 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Thomas D. Johnson practice?
Dr. Thomas Johnson has 1 office location.
Dr. Thomas Johnson practices Internal Medicine and Gastroenterology near Ames, IA.
See Ames Internists and Ames Gastroenterologists.