NPPES file of Aug 9, 2026

Abigail Klein, LCSW

Clinical Social Worker · Brooklyn, NY

Abigail Klein, LCSW is a clinical social worker with a practice address in Brooklyn, New York, and NPI 1043669963, issued on Jun 10, 2016. Check the license (New York 083580, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043669963
Name
Abigail Klein
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
083580 NY
Self-reported in NPPES; status is on the state search
Practice location
26 Court St, Brooklyn, NY 11242
Phone
(862) 432-0226
Enumerated
Jun 10, 2016
Record last updated
Oct 6, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191030002487); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →

Also registered at 26 Court St

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

  1. May AhmedCase Manager/Care Coordinator1538590195
  2. Chamin Ajjan, LCSW, ACTClinical Social Worker1912914508
  3. Theresa Allen, LCSWClinical Social Worker1801165915
  4. Yanina AndreyevaCase Manager/Care Coordinator1831573849
  5. Shari Appollon, LCSWClinical Social Worker1659750453
  6. Matthew Ashton, L.C.S.W-R.Social Worker1285942110

Verify Abigail Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 083580    Check 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.

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Abigail Klein among 29,293 clinical social worker records in New York

Abigail Klein, LCSW is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 64% of them.

  • NPI issued2016 · 64% of these records are older, 33% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2012 · median 2001 among the 5,004 with a school on file
  • Record last updated2019 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,449 clinical social worker records list a practice address in Brooklyn

They are 3,449 of the 64,057 NPPES records with a practice address in Brooklyn, and 29,293 clinical social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 29,293 in New York → Every provider in Brooklyn → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Chamin Ajjan, LCSW, ACTBrooklyn, NY 112421912914508
  2. Mark Baum, LCSWBrooklyn, NY 112421528089968
  3. Gail Brodt, LCSWBrooklyn, NY 112421366465155
  4. Paul Brown, L.C.S.W.Brooklyn, NY 112421295723260
  5. Doris Bryant, L.C.S.W.Brooklyn, NY 112421457443160
  6. Lisa Catanzaro, L.C.S.W.Brooklyn, NY 112421588652713
  7. Donald Fleck, LCSWBrooklyn, NY 112421629180716
  8. Maricella Gilbert, LCSW-RBrooklyn, NY 112421811941156

Common questions

What is Abigail Klein, LCSW's NPI number?

Abigail Klein, LCSW's National Provider Identifier (NPI) is 1043669963, issued on Jun 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Klein, LCSW located?

The NPPES record lists a practice address at 26 Court St, Brooklyn, NY, 11242. Phone: (862) 432-0226. Providers update this record themselves, so call before visiting.

How can I verify Abigail Klein, LCSW's license?

NPPES lists New York license number 083580, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.