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

Mr. Ronald S Callaham, NP

Individual provider Registered Nurse · NPI 1447581756

Mr. Ronald S Callaham, NP is a Registered Nurse in Lancaster, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2010.

Licensed in
PA
In the registry since
2010
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

113 Butler Ave
Lancaster, PA 17601-6313
Phone: (717) 391-3087
Fax: (717) 391-6752
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence VP003515B (PA)
Registered Nurse Taxonomy 163W00000X · Licence RN269982L (PA)

Record details

NPI number1447581756
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorNo
NPI enumeratedJanuary 26, 2010
Last updated in NPPESJanuary 26, 2010

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