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

Sarah Callahan, LMSW

Individual provider Social Worker · NPI 1144890393

Sarah Callahan, LMSW is a Social Worker in Brooklyn, New York. Works from 2 locations. Licensed in New York.

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

255 15th St
Brooklyn, NY 11215-4988
Phone: (309) 428-3722
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5417 18th Ave, Brooklyn, NY 11204-1928 — (929) 480-0313

Specialties & licences

Social Worker (primary) Taxonomy 104100000X (NY)

Record details

NPI number1144890393
Entity typeIndividual (Type 1)
GenderNot disclosed
Credentials LMSW
Sole proprietorNo
NPI enumeratedJune 30, 2021
Last updated in NPPESJanuary 26, 2026
Certification dateJanuary 26, 2026

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