NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Erin Christina Leyden, LSW

Clinical Social Worker in Mount Arlington, NJ · enumerated 2025.

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

National Provider Identifier

1922979822

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Erin Christina Leyden
Credential LSW
Sex Female
Practice address 181 Howard Blvd, Mount Arlington, NJ, 07856
Phone (862) 803-9262
Enumeration date Sep 15, 2025
Last updated in NPPES Sep 15, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 44SL07274800 (NJ) 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 Erin Leyden?
The National Provider Identifier (NPI) for Erin Leyden is 1922979822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erin Leyden practice?
The practice location on file with NPPES is in Mount Arlington, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-15.