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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. John Smits:

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Specialties & Research

Dr. John Smits, MD is board certified in Internal Medicine.

Education & Awards

Dr. Smits graduated from University of Colorado, Denver.


Dr. Smits has 1 hospital affiliations:

  • Veterans Affairs Eastern Colorado Health Care System 

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Additional Information
Dr. John Alan Smits MD is a male Internist, has 37 years of experience and practices in Internal Medicine.
Where does Dr. John A. Smits practice?
Dr. John Smits has 3 office locations.
Dr. John Smits practices Internal Medicine near Denver, CO.
Additional practice locations include: Aurora, CO.
See Denver Internists.