Registry data as of Aug 27, 2026

Sarah Callahan, LMSW

Social Worker · Brooklyn, NY

Sarah Callahan, LMSW is a social worker with a practice address in Brooklyn, New York, and NPI 1144890393, issued on Jun 30, 2021. Check the license with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144890393
Name
Sarah Callahan
Credential
LMSW
Primary taxonomy
Social Worker 104100000X
Practice location
255 15TH St, Brooklyn, NY 11215
Phone
(309) 428-3722
Enumerated
Jun 30, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 255 15TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Glenn AcostaSocial Worker1033074109
  2. Nicolette Alario, MHC-LPMental Health Counselor1184476806
  3. Kevin Bailey, LMSWClinical Social Worker1518608876
  4. Brittany Bartoli, LMSWSocial Worker1649026618
  5. Kirsten Berman, LMSWClinical Social Worker1063341634
  6. Savanna Boyer, LMSWSocial Worker1205750197

Verify Sarah Callahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

3,831 social worker records list a Brooklyn practice address

They are 3,831 of the 64,057 NPPES records with a Brooklyn practice address, and 24,800 social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,831 in Brooklyn → All 24,800 in New York → Every provider in Brooklyn →

Other social worker records in New York

  1. Sheila AagnerNew York, NY1801720784
  2. Desiree AaronBronx, NY1851277875
  3. Joy Aaron, LMSWAlbany, NY1295376192
  4. Shawna Marie Aarons-Cooke, LCSWNew Rochelle, NY1700060076
  5. Fay Aaronson, LCSW-RMargaretville, NY1710253224
  6. Iliana Abad, LMSWBrooklyn, NY1427328194
  7. Samantha AbadNew York, NY1831948561
  8. Angelyse Abalco, LMSWSmithtown, NY1083255251
  9. Nicola Abbadessa, LCSWRego Park, NY1235239310
  10. Fadhil AbbasBuffalo, NY1588222418

Common questions

What is Sarah Callahan, LMSW's NPI number?

Sarah Callahan, LMSW's National Provider Identifier (NPI) is 1144890393, issued on Jun 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Callahan, LMSW located?

The NPPES record lists a practice address at 255 15TH St, Brooklyn, NY, 11215. Phone: (309) 428-3722. Providers update this record themselves, so call before visiting.

How can I verify Sarah Callahan, LMSW's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.