NPPES file of Aug 9, 2026

Sivon Kahn Irvings, LCSW

Clinical Social Worker · Arlington, MA

Sivon Kahn Irvings, LCSW is a clinical social worker with a practice address in Arlington, Massachusetts, and NPI 1174236673, issued on Dec 29, 2022. Check the license (Massachusetts 214892, as entered in NPPES) with the Massachusetts 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
1174236673
Name
Sivon Kahn Irvings
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
214892 MA
Self-reported in NPPES; status is on the state search
Practice location
22 Mill St Ste 4, Arlington, MA 02476
Phone
(617) 405-5735
Enumerated
Dec 29, 2022
Record last updated
Dec 29, 2022
Medicare enrollment
Enrolled (PECOS I20250926001232); 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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Also registered at 22 Mill St Ste 4

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

  1. Nicole CaplinClinical Social Worker1518638451
  2. Noreen Donovan, PH.D.Clinical Psychologist1922319508
  3. Ryan FerreiraClinical Social Worker1063367761
  4. Suzanna Zaganjori, CRNAPsychiatric/Mental Health Nurse Practitioner1083029003

Verify Sivon Kahn Irvings in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 214892
    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 Massachusetts 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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Sivon Kahn Irvings among 17,815 clinical social worker records in Massachusetts

Sivon Kahn Irvings, LCSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 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 2022, is newer than 86% of them.

  • NPI issued2022 · 86% of these records are older, 10% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2006 · median 2004 among the 3,059 with a school on file
  • Record last updated2022 · 68% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

189 clinical social worker records list a practice address in Arlington

They are 189 of the 974 NPPES records with a practice address in Arlington, and 17,815 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Deborah Armstrong, LICSWArlington, MA 024761467432641
  2. Ellen Austin, LICSWArlington, MA 024761255350161
  3. Deborah Blumberg, MSW LICSWArlington, MA 024761801862636
  4. Cynthia Claflin, LICSWArlington, MA 024761134188089
  5. Ashley Davis, LICSWArlington, MA 024761326011586
  6. Anne Elshama, LICSWArlington, MA 024761184684698
  7. Geraldine Ertel, LICSWArlington, MA 024761689647398
  8. Stuart Gladstone, LICSWArlington, MA 024761376503805

Common questions

What is Sivon Kahn Irvings, LCSW's NPI number?

Sivon Kahn Irvings, LCSW's National Provider Identifier (NPI) is 1174236673, issued on Dec 29, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sivon Kahn Irvings, LCSW located?

The NPPES record lists a practice address at 22 Mill St Ste 4, Arlington, MA, 02476. Phone: (617) 405-5735. Providers update this record themselves, so call before visiting.

How can I verify Sivon Kahn Irvings, LCSW's license?

NPPES lists Massachusetts license number 214892, as entered by the provider. Search the Massachusetts 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.

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.