What is Diana Nguyen's NPI number?

Diana Nguyen's National Provider Identifier (NPI) is 1548129620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diana Nguyen's specialty?

Diana Nguyen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Diana Nguyen located?

Diana Nguyen's practice location on file with NPPES is 4605 Morena Blvd, San Diego, CA 92117-3650.

What is Diana Nguyen's phone number?

The practice phone number listed in the NPPES registry for Diana Nguyen is (858) 270-4400.

Is Diana Nguyen's NPI active?

Yes — Diana Nguyen's NPI (1548129620) is active in the NPPES registry as of the last update on 2026-01-15.

IndividualActive

Diana Nguyen, OD

NPI 1548129620 · Optometrist · San Diego, CA

Diana Nguyen, OD is a Optometrist provider in San Diego, CA (NPI 1548129620).

Provider details

NPI number: 1548129620
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Female
Sole proprietor: No
License: 36166 (CA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 36166 (CA)
Eye and Vision Services Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

4605 Morena Blvd

San Diego, CA 92117-3650

Phone: (858) 270-4400

Street-level locationGet directions

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Mailing address