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Internist, Infectious Disease Specialist (virus, bacteria, parasites)
34 years of experience
Accepting new patients
Video profile
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).

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Specialties & Research

Dr. John Gnann, MD is board certified in Internal Medicine and Infectious Disease.

  • He has special expertise in 6 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Chickenpox
  • HIV Infections
  • HIV Seropositivity
  • Hepatitis C
  • Strep Infection (Streptococcal Infections)

Education & Awards

Dr. Gnann graduated from Duke University , Durham.


Dr. Gnann has 6 hospital affiliations:

  • Medical University Of South Carolina 
  • Uab Medical West 


  • English

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Additional Information
Dr. John W Gnann MD is a male Internist, has 34 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. John W. Gnann practice?
Dr. John Gnann has 1 office location.
Dr. John Gnann practices Internal Medicine and Infectious Disease near Charleston, SC.
See Charleston Internists and Charleston Infectious Disease Doctors.