NPPES file of Aug 9, 2026

Allison Hajjar, LCSW

Clinical Social Worker · Waltham, MA

Allison Hajjar, LCSW is a clinical social worker with a practice address in Waltham, Massachusetts, and NPI 1962255083, issued on Apr 9, 2024. Check the license (Massachusetts 227145, 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
1962255083
Name
Allison Hajjar
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
227145 MA
Self-reported in NPPES; status is on the state search
Practice location
28 Augustus RD, Waltham, MA 02452
Phone
(978) 857-5990
Enumerated
Apr 9, 2024
Record last updated
Apr 9, 2024
Medicare enrollment
Enrolled (PECOS I20260122002787); accepts 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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Verify Allison Hajjar 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 227145
    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

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Allison Hajjar among 17,815 clinical social worker records in Massachusetts

Allison Hajjar, 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 2024, is newer than 93% of them.

  • NPI issued2024 · 93% of these records are older, 5% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2017 · median 2004 among the 3,059 with a school on file
  • Record last updated2024 · 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).

234 clinical social worker records list a practice address in Waltham

They are 234 of the 2,111 NPPES records with a practice address in Waltham, 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. Linda Ayer, LICSWWaltham, MA 024521215412010
  2. Christine Bunnell, LICSWWaltham, MA 024521659855971
  3. David Denton, SWWaltham, MA 024521194204123
  4. Ann Fletcher, LICSWWaltham, MA 024521326462557
  5. Lynne Henry, LICSWWaltham, MA 024521881180396
  6. David LeblancWaltham, MA 024521427540483
  7. Carolyn Meehan, LICSWWaltham, MA 024521447435391
  8. Kerry Moe, LICSWWaltham, MA 024521205366549

Common questions

What is Allison Hajjar, LCSW's NPI number?

Allison Hajjar, LCSW's National Provider Identifier (NPI) is 1962255083, issued on Apr 9, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Allison Hajjar, LCSW located?

The NPPES record lists a practice address at 28 Augustus RD, Waltham, MA, 02452. Phone: (978) 857-5990. Providers update this record themselves, so call before visiting.

How can I verify Allison Hajjar, LCSW's license?

NPPES lists Massachusetts license number 227145, 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.