> > > > Dr. Thomas Johnson, MD
Dr. Thomas Dale Johnson MD is a male Internist, has 26 years of experience and practices in Internal Medicine and Gastroenterology.
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. Thomas Johnson:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

No reviews yet…
be the first!

Specialties & Research

Dr. Thomas Johnson, MD is board certified in Internal Medicine and Gastroenterology.

Education & Awards

Dr. Johnson graduated from University of Illinois at Chicago.


Dr. Johnson has 6 hospital affiliations:

  • Mary Greeley Medical Center 
  • White Memorial Med Ctr 

Accepted Insurance Plans

Dr. Johnson accepts these health insurances in at least one office:

  • United Healthcare - 16 plans
  • Great-West Healthcare - 2 plans
  • Wellmark Blue Cross Blue Shield - 6 plans
  • Humana - 9 plans
  • Cigna - 3 plans
  • Iowa Medicaid - 1 plan
  • Aetna - 1 plan


  • Persian

Similar doctors nearby

Dr. Jeremy Fields

Internal Medicine
5 years experience
Ames, IA

Dr. Arul Molian

General Practice
26 years experience
Ames, IA

Dr. Jodi Goldsberry

General Practice
5 years experience
Ames, IA

Dr. Debra Prow

Internal Medicine
18 years experience
Ames, IA

Dr. David Smith

Emergency Medicine
23 years experience
Ames, IA

Dr. Jennifer Killion

General Practice
10 years experience
Ames, IA
Search All Similar Doctors
Additional Information
Where does Dr. Thomas D. Johnson practice?
Dr. Thomas Johnson practices Internal Medicine and Gastroenterology near Ames, IA.
See Ames Internists and Ames Gastroenterologists.