Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William Charles Hartnagel, MD

Individual provider Internal Medicine Physician · NPI 1306183165

William Charles Hartnagel, MD is an Internal Medicine Physician in Barneveld, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8318 Old Poland Rd
Barneveld, NY 13304-2206
Phone: (315) 896-4426
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 127192 (NY)

Record details

NPI number1306183165
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 13, 2013
Last updated in NPPESJanuary 13, 2013

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