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

Mrs. Holly Olshefski, LCSW

Individual provider Clinical Social Worker · NPI 1992063119

Mrs. Holly Olshefski, LCSW is a Clinical Social Worker in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2012
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

505 S 22nd St
Philadelphia, PA 19146-1246
Phone: (215) 779-6644
Fax: (215) 779-6644
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW016680 (PA)

Record details

NPI number1992063119
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 25, 2012
Last updated in NPPESOctober 29, 2019

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