Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Erin Murphy-Wilczek

Social Worker in Mahwah, NJ · enumerated 2023.

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

National Provider Identifier

1134811078

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Registry record

Entity type Individual (Type 1)

Name Mrs. Erin Murphy-Wilczek

Sex Female

Practice address 860 Wyckoff Ave, Mahwah, NJ, 07430

Phone (201) 448-7041

Enumeration date May 22, 2023

Last updated in NPPES May 22, 2023

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL06160500 (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 Murphy-Wilczek?

The National Provider Identifier (NPI) for Erin Murphy-Wilczek is 1134811078, a Type 1 (individual) record in the CMS NPPES registry.

Where does Erin Murphy-Wilczek practice?

The practice location on file with NPPES is in Mahwah, 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 2023-05-22.