ALLISON HAJJAR LCSW
NPI 1962255083
Social Worker - Clinical in Waltham, MA

Active since April 09, 2024PECOS EnrolledAccepts Medicare Assignment
28 AUGUSTUS RD, WALTHAM, MA 02452(978) 857-5990 Get Directions Write a Review

NPPES record last updated: April 9, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Allison Hajjar Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON HAJJAR LCSW (NPI 1962255083) is an individual clinical provider in Waltham, Massachusetts, licensed in Massachusetts (227145) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1962255083
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameALLISON HAJJARCredential: LCSW
Location Address28 AUGUSTUS RDWaltham, MA 02452-5705
Mailing Address28 Augustus RdWaltham, MA 02452-5705 · (978) 857-5990
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateApril 9, 2024
NPPES CertifiedApril 9, 2024
NPI 1962255083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MA · 227145
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
28 AUGUSTUS RD, Waltham, MA 02452

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Allison Hajjar Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830676675
PECOS Enrollment IDI20260122002787
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02452 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allison Hajjar's NPI number?

The NPI number for Allison Hajjar is 1962255083. It was assigned to this individual provider in the NPPES registry on April 9, 2024.

Where is Allison Hajjar located?

Allison Hajjar practices at 28 Augustus Rd, Waltham, MA 02452. The listed phone number is (978) 857-5990.

What is Allison Hajjar's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Allison Hajjar enrolled in Medicare?

Yes. Allison Hajjar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Allison Hajjar was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.