Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leslie-Anne Irene Letso, LCSW, LCADC

Social Worker in New Brunswick, NJ · enumerated 2023.

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

National Provider Identifier

1881384600

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Registry record

Entity type Individual (Type 1)

Name Leslie-Anne Irene Letso

Credential LCSW, LCADC

Sex Female

Practice address 320 Suydam St, New Brunswick, NJ, 08901

Phone (732) 246-4025

Fax (732) 246-1214

Enumeration date May 15, 2023

Last updated in NPPES Jul 10, 2024

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 37LC00389400 (NJ) Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SC06321100 (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

What is the NPI number for Leslie-Anne Letso?

The National Provider Identifier (NPI) for Leslie-Anne Letso is 1881384600, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie-Anne Letso practice?

The practice location on file with NPPES is in New Brunswick, NJ. 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 2024-07-10.