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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 Zirkle:

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Education & Awards

Dr. Zirkle graduated from University of North Carolina, Chapel Hill.


Dr. Zirkle has 5 hospital affiliations:

  • St Mary's Medical Center, Inc 
  • Lakeway Regional Hospital 


  • Spanish
  • German

> > > > Dr. John Zirkle, MD

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Additional Information
Dr. John Wm Zirkle MD is a male Internist, has 42 years of experience and practices in Internal Medicine.
Where does Dr. John W. Zirkle practice?
Dr. John Zirkle has 3 office locations.
Dr. John Zirkle practices Internal Medicine near Jefferson City, TN.
Additional practice locations include: Greeneville, TN.
See Jefferson City Internists.