Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David Samuel Gruen

Student in an Organized Health Care Education/Training Program in New Rochelle, NY · enumerated 2021.

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

National Provider Identifier

1184204430

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Registry record

Entity type Individual (Type 1)

Name David Samuel Gruen

Sex Male

Practice address 16 Guion Pl, New Rochelle, NY, 10801

Phone (914) 365-3680

Fax (914) 365-5489

Enumeration date Apr 12, 2021

Last updated in NPPES Apr 12, 2021

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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.

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Frequently asked questions

How do I verify David Gruen's NPI record?

Cross-check NPI 1184204430 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1184204430 active?

Yes, as of the latest NPPES snapshot, NPI 1184204430 is active (record last updated 2021-04-12).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-12.