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

MS. Karen M. Alderfer, MS

Individual provider Psychologist · NPI 1235269341

MS. Karen M. Alderfer, MS is a Psychologist in Lancaster, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

2938 Columbia Ave #302
Lancaster, PA 17603-7000
Phone: (717) 390-7676
Fax: (717) 872-4253
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS - 006342 L (PA)

Record details

NPI number1235269341
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorYes
NPI enumeratedMarch 7, 2007
Last updated in NPPESFebruary 5, 2018

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