Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Laboratorio Clinico Irizarry Guasch

Clinical Medical Laboratory in San Sebastian, PR · enumerated 2005 · authorized official Nilsa Irizarry-Guasch, Owner.

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

National Provider Identifier

1437159431

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Registry record

Entity type Organization (Type 2)

Legal business name Laboratorio Clinico Irizarry Guasch

Practice address San Sebastian Shopping Ctr Carr 111 Km 18 Bo Bahomamey, San Sebastian, PR, 00685

Phone (787) 280-3609

Fax (787) 280-3610

Enumeration date Aug 1, 2005

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories · License 911 (PR) Primary

Authorized official

Name Nilsa Irizarry-Guasch

Title Owner

Phone (787) 899-7222

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 current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-08-22. Verify at npiregistry.cms.hhs.gov.

Where is Laboratorio Clinico Irizarry Guasch located?

The practice location on file with NPPES is in San Sebastian, PR.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.