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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 Jancarik:

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Specialties & Research

Dr. John Jancarik, MD is board certified in Internal Medicine and Nephrology.

  • He has special expertise in 2 areas:
  • Kidney Stones (Kidney Calculi)
  • Nephrology

Education & Awards

Dr. Jancarik graduated from University of Pittsburgh .


Dr. Jancarik has 24 hospital affiliations:

  • Allegheny General Hospital 
  • Upmc St Margaret 


  • Slovak
  • French
  • Czech

> > > > Dr. John Jancarik, MD

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Additional Information
Dr. John P Jancarik MD is a male Internist, has 13 years of experience and practices in Internal Medicine and Nephrology.
Where does Dr. John P. Jancarik practice?
Dr. John Jancarik has 9 office locations.
Dr. John Jancarik practices Internal Medicine and Nephrology near Grove City, PA.
Additional practice locations include: Avalon, PA and Beaver Falls, PA.
See Grove City Internists and Grove City Nephrologists.