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

Individual provider Clinical Social Worker · NPI 1639846751

Natalie Joy Koslowsky, LMSW is a Clinical Social Worker in New York, New York. Licensed in New York. Registered with an NPI since 2021.

Licensed in
NY
In the registry since
2021
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

303 5th Ave Rm 1909
New York, NY 10016-6658
Phone: (212) 545-9901
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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 113295-01 (NY)

Record details

NPI number1639846751
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedAugust 26, 2021
Last updated in NPPESAugust 26, 2021
Certification dateAugust 12, 2021

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