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

MS. Gabrielle May O'Brien, LMSW

Individual provider Clinical Social Worker · NPI 1235375825

MS. Gabrielle May O'Brien, LMSW 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
2009
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

406 19th St
Brooklyn, NY 11215-6107
Phone: (516) 523-8872
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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 081289 (NY)

Record details

NPI number1235375825
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJanuary 2, 2009
Last updated in NPPESOctober 21, 2014

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