Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Alexandra Lee Barbar, LICSW

Social Worker in Chelmsford, MA · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1780998948

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Registry record

Entity type Individual (Type 1)

Name Mrs. Alexandra Lee Barbar

Credential LICSW

Sex Female

Practice address 201 Chelmsford St, Chelmsford, MA, 01824

Phone (978) 256-1467

Fax (978) 256-7465

Enumeration date Jul 29, 2010

Last updated in NPPES Jul 29, 2010

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License SW 110786-1 (MA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Alexandra Barbar?

The National Provider Identifier (NPI) for Alexandra Barbar is 1780998948, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexandra Barbar practice?

The practice location on file with NPPES is in Chelmsford, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-29.