Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Elizabeth Duncan Marshall, LCSW

Social Worker in East Brunswick, NJ · enumerated 2021.

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

National Provider Identifier

1447923735

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ms. Elizabeth Duncan Marshall

Credential LCSW

Sex Female

Practice address 4 Auer Ct Ste G, East Brunswick, NJ, 08816

Phone (732) 672-8754

Enumeration date Aug 1, 2021

Last updated in NPPES Dec 16, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 225126 (MA) Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL06646200 (NJ) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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

Where does Elizabeth Marshall practice?

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

What is the NPI number for Elizabeth Marshall?

The National Provider Identifier (NPI) for Elizabeth Marshall is 1447923735, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-16.