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 Fassler:
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Specialties & Research
Dr. John Fassler, MD is board certified in Nephrology.
Education & Awards
Dr. Fassler graduated from The Ohio State University , Columbus.
Dr. Fassler has 11 hospital affiliations:
- Piedmont Health Services
- Chester County Hospital
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- Additional Information
- Where does Dr. John E. Fassler practice?
Dr. John Fassler practices Nephrology near Rock Hill, SC.
Additional practice locations include: Lancaster, SC.
See Rock Hill Nephrologists.