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Sarah Onaga, OD

Optometrist in Tustin, CA · enumerated 2017 · practices at Darren M Brown Od Apc.

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

National Provider Identifier

1710417522

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Registry record

Entity type Individual (Type 1)
Name Sarah Onaga
Credential OD
Sex Female
Practice address 190 El Camino Real, Tustin, CA, 92780
Phone (714) 669-1121
Enumeration date Jun 14, 2017
Last updated in NPPES Feb 13, 2018

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 33701TLG (CA) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
33701TLG Other CA CA OPTOMETRY LICENSE NUMBER

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

What is the NPI number for Sarah Onaga?
The National Provider Identifier (NPI) for Sarah Onaga is 1710417522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sarah Onaga practice?
The practice location on file with NPPES is in Tustin, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-13.