Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alexander Marquez

Home Health Registered Nurse in Tarrytown, NY · enumerated 2025.

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

National Provider Identifier

1376409672

Verified

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Registry record

Entity type Individual (Type 1)

Name Alexander Marquez

Sex Male

Practice address Tarrytown, NY, 10591

Phone (914) 912-2353

Enumeration date Dec 30, 2025

Last updated in NPPES Dec 30, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163WH0200X Home Health Registered Nurse Nursing Service Providers · License 899951 (NY) 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 Alexander Marquez?

The National Provider Identifier (NPI) for Alexander Marquez is 1376409672, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Marquez practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-30.