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Diane Quyen Truong, O.D.

Optometrist in Santa Ana, CA · enumerated 2007.

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

National Provider Identifier

1730230756

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Registry record

Entity type Individual (Type 1)
Name Diane Quyen Truong
Credential O.D.
Sex Female
Practice address 2800 N Main St, Main Place Mall #104, Santa Ana, CA, 92705
Phone (714) 547-8129
Fax (714) 547-5626
Enumeration date Jan 16, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 11336 (CA) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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 Diane Truong?
The National Provider Identifier (NPI) for Diane Truong is 1730230756, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diane Truong practice?
The practice location on file with NPPES is in Santa Ana, 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 2007-07-08.