1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Social Worker
  6. NPI Profile

SARAH CALLAHAN LMSW
NPI 1144890393
Social Worker in Brooklyn, NY

Active since June 30, 2021
255 15TH ST, BROOKLYN, NY 11215(309) 428-3722 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 26, 2026, Jun 30, 2021 (2 updates tracked since 2021).

About Sarah Callahan Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SARAH CALLAHAN LMSW (NPI 1144890393) is an individual social worker in Brooklyn, New York and active in the NPI registry since June 2021. The provider maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1144890393
Entity TypeIndividual
Primary Taxonomy104100000X
Provider Legal NameSARAH CALLAHANCredential: LMSW
Location Address255 15TH STBrooklyn, NY 11215-4988
Mailing Address270 Fort Washington Ave Apt 41New York, NY 10032-1310 · (309) 428-3722
Phone(309) 428-3722
Sole ProprietorNo
Enumeration DateJune 30, 2021
Last NPPES UpdateJanuary 26, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1144890393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
255 15TH ST, Brooklyn, NY 11215
Open in Google Maps ↗

Secondary Practice Location 1

Location 15417 18th AveBrooklyn, NY 11204-1928 · Phone (929) 480-0313

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIELLE RAWDA LMHC
Community/Behavioral Health
255 15TH ST
BROOKLYN, NY 11215
Kings County (929) 279-2528
GLENN ACOSTA
Social Worker
255 15TH ST
BROOKLYN, NY 11215
Kings County (718) 788-5101
MS. LIA REBECCA STONE LMSW
Social Worker
255 15TH ST, SUITE 103
BROOKLYN, NY 11215
Kings County (718) 788-5101
CHRISTINE KAJETZKE LCSW
Social Worker
255 15TH ST
BROOKLYN, NY 11215
Kings County (718) 788-5101
ELIZABETH WALKER LICSW
Social Worker (Clinical)
255 15TH ST
BROOKLYN, NY 11215
Kings County (718) 788-5101
MRS. KIRSTEN OLIVIA BERMAN LMSW
Social Worker (Clinical)
255 15TH ST
BROOKLYN, NY 11215
Kings County (718) 788-5101
MS. SHAYNA ELIZABETH GOODMAN LMSW
Social Worker
255 15TH ST
BROOKLYN, NY 11215
Kings County (718) 788-5101
LIA MINONNE
Community/Behavioral Health
255 15TH ST
BROOKLYN, NY 11215
Kings County (171) 878-8510

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarah Callahan's NPI number?

The NPI number for Sarah Callahan is 1144890393. It was assigned to this individual provider in the NPPES registry on June 30, 2021.

Where is Sarah Callahan located?

Sarah Callahan practices at 255 15th St, Brooklyn, NY 11215. The listed phone number is (309) 428-3722.

What is Sarah Callahan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Sarah Callahan was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.