Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Oscar Alejandro Vazquez Jr.

Student in an Organized Health Care Education/Training Program in Aguadilla, PR · enumerated 2025.

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

National Provider Identifier

1558243436

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Registry record

Entity type Individual (Type 1)

Name Mr. Oscar Alejandro Vazquez Jr.

Sex Male

Practice address Po Box 250129, Aguadilla, PR, 00604

Phone (787) 239-6403

Enumeration date Jul 22, 2025

Last updated in NPPES Jul 22, 2025

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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Oscar Vazquez's NPI record?

Cross-check NPI 1558243436 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1558243436 active?

Yes, as of the latest NPPES snapshot, NPI 1558243436 is active (record last updated 2025-07-22).

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Arianna Vazquez Marrero Student in an Organized Health Care Education/Training Program · Aguadilla, PR NPI 1700698172

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-22.