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.
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
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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.