Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Katja Gottlieb-Stier, MSS, LSW

Individual provider Social Worker · NPI 1356252993

Katja Gottlieb-Stier, MSS, LSW is a Social Worker in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2026
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

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Practice location Address checks out

606 Sigel St
Philadelphia, PA 19148-1724
Phone: (215) 756-5154
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence SW143673 (PA)

Record details

NPI number1356252993
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSS , LSW
Sole proprietorYes
NPI enumeratedSeptember 14, 2026
Last updated in NPPESSeptember 14, 2026
Certification dateSeptember 14, 2026

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