Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Gwen S. Bloom Lcsw LLC

Q: What is the NPI number for Gwen S. Bloom Lcsw LLC?

The NPI for Gwen S. Bloom Lcsw LLC is 1558895003, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Social Worker in Branchburg, NJ · enumerated 2017 · authorized official Gwen Bloom, Owner.

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

National Provider Identifier

1558895003

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Registry record

Entity type Organization (Type 2)

Legal business name Gwen S. Bloom Lcsw LLC

Practice address 3322 Route 22, Suite 428, Branchburg, NJ, 08876

Phone (732) 501-5917

Enumeration date Apr 11, 2017

Last updated in NPPES Mar 2, 2018

Taxonomy & classification

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 44SC05137300 (NJ) Primary

Authorized official

Name Gwen Bloom

Title Owner

Phone (732) 501-5917

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

Who is the authorized official for Gwen S. Bloom Lcsw LLC?

NPPES lists Gwen Bloom (Owner) as the authorized official for this organization.

What is the NPI number for Gwen S. Bloom Lcsw LLC?

The NPI for Gwen S. Bloom Lcsw LLC is 1558895003, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-02.