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Guillermo Rios-Rios

Pediatrics Physician in Oxnard, CA · enumerated 2006 · practices at Clinicas Del Camino Real Inc.

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

National Provider Identifier

1376556035

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Registry record

Entity type Individual (Type 1)
Name Guillermo Rios-Rios
Sex Male
Practice address 650 Meta St, Oxnard, CA, 93030
Phone (805) 487-5351
Fax (805) 487-2599
Enumeration date Aug 14, 2006
Last updated in NPPES Feb 22, 2017

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A55049 (CA) Primary

Other identifiers

Identifier Type State Issuer
00A550490 Medicaid CA -

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.

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Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Guillermo Rios-Rios?
Guillermo Rios-Rios is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-22.