Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maria S Marrero

Pharmacist in Dorado, PR · enumerated 2007.

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

National Provider Identifier

1841337276

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Registry record

Entity type Individual (Type 1)

Name Maria S Marrero

Sex Female

Practice address 395 Calle Principal, Urb. Dorado Beach East, Dorado, PR, 00646

Phone (787) 614-4606

Fax (787) 870-0169

Enumeration date Feb 1, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 002299 (PR) 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 Maria Marrero?

The National Provider Identifier (NPI) for Maria Marrero is 1841337276, a Type 1 (individual) record in the CMS NPPES registry.

Where does Maria Marrero practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.