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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The overall average patient rating of Dr. John Fassler is Excellent.
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:
- Mercy Hospital
- Chester Regional Medical Center
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- Additional Information
- Dr. John E Fassler MD is a male Nephrologist, has 21 years of experience and practices in Nephrology.
- Where does Dr. John E. Fassler practice?
- Dr. John Fassler has 1 office location.
Dr. John Fassler practices Nephrology near Rock Hill, SC.
See Rock Hill Nephrologists.