Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Irit Felsen LLC

Q: What is the NPI number for Irit Felsen LLC?

The NPI for Irit Felsen LLC is 1528360120, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Psychologist in Mountain Lakes, NJ · enumerated 2010 · authorized official Irit Felsen, Clinical Psychologist.

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

National Provider Identifier

1528360120

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Registry record

Entity type Organization (Type 2)

Legal business name Irit Felsen LLC

Practice address 420 Boulevard, Suite 203, Mountain Lakes, NJ, 07046

Phone (973) 541-9900

Fax (973) 541-9901

Enumeration date Dec 2, 2010

Last updated in NPPES Dec 2, 2010

Taxonomy & classification

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 35S100375600 (NJ) Primary

Authorized official

Name Irit Felsen

Title Clinical Psychologist

Phone (973) 541-9900

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 Irit Felsen LLC?

The NPI for Irit Felsen LLC is 1528360120, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Irit Felsen LLC?

NPPES lists Irit Felsen (Clinical Psychologist) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-02.