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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 Simmons:

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Specialties & Research

Dr. John Simmons, MD, MPH is board certified in Internal Medicine.

Education & Awards

Dr. Simmons graduated from University of Alabama at Birmingham.


Dr. Simmons has 2 hospital affiliations:

  • Wayne Medical Center 
  • Maury Regional Medical Center 


  • Spanish

> > > > Dr. John Simmons, MD, MPH

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Additional Information
Dr. John Oursler Simmons MD and MPH is a male Internist, has 33 years of experience and practices in Internal Medicine.
Where does Dr. John O. Simmons practice?
Dr. John Simmons has 5 office locations.
Dr. John Simmons practices Internal Medicine near Columbia, TN.
Additional practice locations include: Knoxville, TN and Jefferson City, TN.
See Columbia Internists.