Diana Nguyen Optometry Inc
NPI 1225266463 · Optometrist · Santa Ana, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Nguyen Optometry Inc is a Optometrist organization in Santa Ana, CA (NPI 1225266463).
Provider details
- NPI number
- 1225266463
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Diana Nguyen, President(714) 200-4261
- License
- OPT 12457 TPL (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2009-06-25
- Last updated
- 2012-03-19
Frequently asked questions
- What is Diana Nguyen Optometry Inc's NPI number?
- Diana Nguyen Optometry Inc's National Provider Identifier (NPI) is 1225266463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diana Nguyen Optometry Inc?
- Diana Nguyen Optometry Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Diana Nguyen Optometry Inc located?
- Diana Nguyen Optometry Inc's practice location on file with NPPES is 903 S Bristol St Ste a, Santa Ana, CA 92703-4983.
- What is Diana Nguyen Optometry Inc's phone number?
- The practice phone number listed in the NPPES registry for Diana Nguyen Optometry Inc is (714) 564-9696.
- Does Diana Nguyen Optometry Inc accept Medicare?
- Diana Nguyen Optometry Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Diana Nguyen Optometry Inc?
- The authorized official listed on Diana Nguyen Optometry Inc's NPPES record is Diana Nguyen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diana Nguyen Optometry Inc's NPI active?
- Yes — Diana Nguyen Optometry Inc's NPI (1225266463) is active in the NPPES registry as of the last update on 2012-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.