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Ruth Marquez, O.D. Optometric Corporation

Clinic/Center in Oxnard, CA · enumerated 2018 · authorized official Ruth Marquez, Ceo/Optometrist.

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

National Provider Identifier

1164990099

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Registry record

Entity type Organization (Type 2)
Legal business name Ruth Marquez, O.D. Optometric Corporation
Practice address 2401 N Rose Ave, Oxnard, CA, 93036
Phone (805) 981-4963
Fax (805) 983-8509
Enumeration date Nov 8, 2018
Last updated in NPPES Nov 8, 2018

Taxonomy & classification

261Q00000X Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Ruth Marquez
Title Ceo/Optometrist
Phone (805) 981-4963

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

Who is the authorized official for Ruth Marquez, O.D. Optometric Corporation?
NPPES lists Ruth Marquez (Ceo/Optometrist) as the authorized official for this organization.
What is the NPI number for Ruth Marquez, O.D. Optometric Corporation?
The NPI for Ruth Marquez, O.D. Optometric Corporation is 1164990099, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-08.