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 Charnas:
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Specialties & Research
Dr. John Charnas, MD, MPH is board certified in Occupational Medicine.
Education & Awards
Dr. Charnas graduated from Northeastern Ohio Universities, Rootstown.
Dr. Charnas has 3 hospital affiliations:
- Malcolm Randall Veterans Affairs Medical Center
- Veterans Affairs Medical Center - Lake City
- Malcom Randall
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- Additional Information
- Dr. John Charnas MD and MPH is a male Preventative Medicine Specialist, has 24 years of experience and practices in Occupational Medicine.
- Where does Dr. John Charnas practice?
- Dr. John Charnas has 1 office location.
Dr. John Charnas practices Occupational Medicine near Gainesville, FL.
See Gainesville Preventive Medicine Specialists.