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

Antoinette Williams, LMSW

Individual provider Social Worker · NPI 1952741753

Antoinette Williams, LMSW is a Social Worker in Massapequa, New York. Licensed in New York. Registered with an NPI since 2013.

Licensed in
NY
In the registry since
2013
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

53 Madison St
Massapequa, NY 11758-5435
Phone: (347) 869-5058
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 088475 (NY)

Record details

NPI number1952741753
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedJune 26, 2013
Last updated in NPPESAugust 24, 2017

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