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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).

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Specialties & Research

Dr. John Graybill, MD is board certified in Internal Medicine.

  • He has special expertise in 13 areas:
  • AIDS-Related Opportunistic Infections
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Aspergillosis
  • Cryptococcal Meningitis
  • Delayed Hypersensitivity
  • Dermatomycoses
  • Fungal Meningitis
  • Fungemia
  • Meningitis
  • Mycobacterium Infections
  • Thrush (Oral Candidasis)
  • Valley Fever (Coccidioidomycosis)
  • Yeast Infection (Candidiasis)

Education & Awards

Dr. Graybill graduated from Cornell University, New York. He has 7 awards.

Awards  
One of America's Leading Experts on:
AIDS (Acquired Immunodeficiency Syndrome)
AIDS-Related Opportunistic Infections
Aspergillosis
Cryptococcal Meningitis
Meningitis
Valley Fever (Coccidioidomycosis)
Yeast Infection (Candidiasis)

Affiliations

Dr. Graybill has 2 hospital affiliations:

  • University Hospital - San Antonio 
  • Va Hospital 

> > > > Dr. John Graybill, MD

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Additional Information
Dr. John Richard Graybill MD is a male Internist, has 45 years of experience and practices in Internal Medicine.
Where does Dr. John R. Graybill practice?
Dr. John Graybill has 4 office locations.
Dr. John Graybill practices Internal Medicine near San Antonio, TX.
See San Antonio Internists.