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

John Williamson, LMSW

Individual provider Social Worker · NPI 1205501145

John Williamson, LMSW is a Social Worker in Brooklyn, 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

320 Harman St Apt 1R
Brooklyn, NY 11237-4929
Phone: (585) 330-1092
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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 113451-01 (NY)

Record details

NPI number1205501145
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedAugust 12, 2021
Last updated in NPPESAugust 12, 2021
Certification dateAugust 12, 2021

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