Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dana Yen Nguyen, OD

Optometrist in Redondo Beach, CA · enumerated 2023.

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

National Provider Identifier

1780365502

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Registry record

Entity type Individual (Type 1)

Name Dana Yen Nguyen

Credential OD

Sex Female

Practice address 1760 S Pacific Coast Hwy, Redondo Beach, CA, 90277

Phone (310) 540-3787

Enumeration date Jul 25, 2023

Last updated in NPPES Jul 25, 2023

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 35561 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Dana Nguyen's NPI record?

Cross-check NPI 1780365502 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1780365502 active?

Yes, as of the latest NPPES snapshot, NPI 1780365502 is active (record last updated 2023-07-25).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-25.