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

Individual provider Clinical Social Worker · NPI 1891642039

Beth Niestemski, LCSW is a Clinical Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2026
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 PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 150159
Brooklyn, NY 11215-0159
Phone: (203) 499-7600
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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 093143 (NY)

Record details

NPI number1891642039
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 16, 2026
Last updated in NPPESMarch 16, 2026
Certification dateMarch 16, 2026

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