Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Allison Hajjar, LCSW

Individual provider Clinical Social Worker · NPI 1962255083

Allison Hajjar, LCSW is a Clinical Social Worker in Waltham, Massachusetts. Qualified in 2017, 9 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
9
Licensed in
MA
In the registry since
2024
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

28 Augustus Rd
Waltham, MA 02452-5705
Phone: (978) 857-5990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 227145 (MA)

Record details

NPI number1962255083
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 9, 2024
Last updated in NPPESApril 9, 2024
Certification dateApril 9, 2024
Mailing address28 Augustus Rd, Waltham, MA 02452-5705

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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