NPPES file of Aug 9, 2026

John Alterman, LCSWR

Clinical Social Worker · Hartsdale, NY

John Alterman, LCSWR is a clinical social worker with a practice address in Hartsdale, New York, and NPI 1750446886, issued on Dec 27, 2006. Check the license (New York R025753, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1750446886
Name
John Alterman
Credential
LCSWR
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
R025753 NY
Self-reported in NPPES; status is on the state search
Practice location
141 N Central Ave, Hartsdale, NY 10530
Phone
(914) 949-7699
Enumerated
Dec 27, 2006
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 141 N Central Ave

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

  1. Tally Aliphas Palefski, LCSWClinical Social Worker1811628472
  2. Fran Antell, LMSWClinical Social Worker1003947805
  3. Wesley AppelStudent in an Organized Health Care Education/Training Program1518824853
  4. Julie Aquilato, LCSWRClinical Social Worker1669634176
  5. Ayelet AranoffStudent in an Organized Health Care Education/Training Program1386562718
  6. Benjamin AvshalomovStudent in an Organized Health Care Education/Training Program1245159482

Verify John Alterman 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 R025753
    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.

Bills Medicare through one group practice

  1. Westchester Jewish Community Services Inc.Hartsdale, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

62 clinical social worker records list a practice address in Hartsdale

They are 62 of the 598 NPPES records with a practice address in Hartsdale, and 29,293 clinical social worker records in New York.

Other clinical social worker records in New York

  1. Daniel Aaron, LCSW, PH.D.Bronx, NY1922076017
  2. Leslie Aaron, LCSWNew York, NY1740346683
  3. Michael Aaron, LMSWNew York, NY1750678868
  4. Ortal Aaron, BABronx, NY1255413142
  5. Sharon Aaron, LCSWBinghamton, NY1073521589
  6. Shawna Marie Aarons-Cooke, LCSWNew Rochelle, NY1700060076
  7. Cindy Aaronson, MSW, PHDNew York, NY1912079799
  8. Anita Aasen, LCSWVictor, NY1740569581
  9. Janet Ab EdBrooklyn, NY1033476841
  10. Julie Abada, LCSWFresh Meadows, NY1942375829

Common questions

What is John Alterman, LCSWR's NPI number?

John Alterman, LCSWR's National Provider Identifier (NPI) is 1750446886, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Alterman, LCSWR located?

The NPPES record lists a practice address at 141 N Central Ave, Hartsdale, NY, 10530. Phone: (914) 949-7699. Providers update this record themselves, so call before visiting.

How can I verify John Alterman, LCSWR's license?

NPPES lists New York license number R025753, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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) 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 27, 2026.