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

John Reefer, MD

Individual provider Internal Medicine Physician · NPI 1093743304

John Reefer, MD is an Internal Medicine Physician in Butler, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

480 E Jefferson St 2nd Fl Ste B
Butler, PA 16001-4780
Phone: (727) 285-0870
Fax: (724) 283-3887
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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 MD021615E (PA)

Record details

NPI number1093743304
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESAugust 19, 2011
Mailing address1022b N Main St, Butler, PA 16001-1954

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