Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mariana Vargas Sr.

Social Worker in Coto Laurel, PR · enumerated 2019.

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

National Provider Identifier

1275183501

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Registry record

Entity type Individual (Type 1)

Name Mariana Vargas Sr.

Sex Female

Practice address Urb. Estancias Del Laurel, Calle Acerola # 3931, Coto Laurel, PR, 00780

Phone (787) 446-8268

Enumeration date Sep 18, 2019

Last updated in NPPES Sep 18, 2019

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 9611 (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 Mariana Vargas practice?

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

What is the NPI number for Mariana Vargas?

The National Provider Identifier (NPI) for Mariana Vargas is 1275183501, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-18.