Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Waleska Alancastro

Pharmacy Technician in Arecibo, PR · enumerated 2019.

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

National Provider Identifier

1003475393

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Registry record

Entity type Individual (Type 1)

Name Mrs. Waleska Alancastro

Sex Female

Practice address 1400 Ave Miramar Ste 18, Arecibo, PR, 00612

Phone (787) 879-3696

Enumeration date Jun 10, 2019

Last updated in NPPES Jun 10, 2019

Taxonomy & licenses

183700000X Pharmacy Technician Pharmacy Service Providers · License 3197 (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

Where does Waleska Alancastro practice?

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

What is the NPI number for Waleska Alancastro?

The National Provider Identifier (NPI) for Waleska Alancastro is 1003475393, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-10.