Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rachel Blumstein, LCSW

Counselor in Ridgewood, NJ · enumerated 2009.

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

National Provider Identifier

1811124399

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Registry record

Entity type Individual (Type 1)

Name Rachel Blumstein

Credential LCSW

Sex Female

Practice address 174 Union St, Ridgewood, NJ, 07450

Phone (201) 652-5114

Fax (201) 652-6253

Enumeration date Jun 11, 2009

Last updated in NPPES Jun 11, 2009

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 44SC05365700 (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

Where does Rachel Blumstein practice?

The practice location on file with NPPES is in Ridgewood, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Rachel Blumstein?

The National Provider Identifier (NPI) for Rachel Blumstein is 1811124399, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-06-11.