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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 Dreyzehner:

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Specialties & Research

  • He has special expertise in 1 area:
  • Public Health

Education & Awards

Dr. Dreyzehner graduated from University of Illinois at Chicago. He has 2 awards.

Physicians recognition award amer med assoc
Amer med assoc physicians recognition award


Dr. Dreyzehner has 15 hospital affiliations:

  • Dickenson County Medical Center 
  • Indian Path Medical Center 


  • Spanish

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Additional Information
Dr. John Dreyzehner MD and MPH is a male Preventative Medicine Specialist, has 23 years of experience and practices in Occupational Medicine.
Where does Dr. John Dreyzehner practice?
Dr. John Dreyzehner has 1 office location.
Dr. John Dreyzehner practices Occupational Medicine near Nashville, TN.
See Nashville Preventive Medicine Specialists.