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

David E Guyer, MD

Individual provider Internal Medicine Physician · NPI 1710075080

David E Guyer, MD is an Internal Medicine Physician in Lancaster, Pennsylvania. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
Specialties on file
2
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

217 Harrisburg Ave
Lancaster, PA 17603-2964
Phone: (717) 544-8300
Fax: (717) 397-8401
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 232387 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 232387 (NY)

Record details

NPI number1710075080
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2006
Last updated in NPPESJune 19, 2012

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