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

John P Demchak, DO

Individual provider Internal Medicine Physician · NPI 1346345345

John P Demchak, DO is an Internal Medicine Physician in Rock Hill, South Carolina. Licensed in South Carolina. Registered with an NPI since 2006.

Licensed in
SC
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

205 Piedmont Blvd
Rock Hill, SC 29732-1836
Phone: (803) 366-4848
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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 880 (SC)

Record details

NPI number1346345345
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 14, 2006
Last updated in NPPESAugust 11, 2017

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