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

Margaret Horwitz, LMSW

Individual provider Social Worker · NPI 1184404980

Margaret Horwitz, LMSW is a Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2023
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

557 Kosciuszko St Apt 2D
Brooklyn, NY 11221-5613
Phone: (224) 522-3226
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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 109101 (NY)

Record details

NPI number1184404980
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedSeptember 29, 2023
Last updated in NPPESSeptember 29, 2023
Certification dateSeptember 29, 2023

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