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John Nguyen, OD
NPI 1750446001 · Optometrist · Fullerton, CA
John Nguyen, OD is a Optometrist provider in Fullerton, CA (NPI 1750446001).
Provider details
- NPI number
- 1750446001
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11716T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1912 W Commonwealth Ave Ste D
Fullerton, CA 92833-3040
Phone: (714) 526-1513
Fax: (714) 526-1362
Street-level locationGet directions
Mailing address
6259 Eisenhower Ct
Chino, CA 91710-3757
Registry dates
- Enumerated
- 2006-12-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Nguyen's NPI number?
- John Nguyen's National Provider Identifier (NPI) is 1750446001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nguyen's specialty?
- John Nguyen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is John Nguyen located?
- John Nguyen's practice location on file with NPPES is 1912 W Commonwealth Ave Ste D, Fullerton, CA 92833-3040.
- What is John Nguyen's phone number?
- The practice phone number listed in the NPPES registry for John Nguyen is (714) 526-1513.
- Is John Nguyen's NPI active?
- Yes — John Nguyen's NPI (1750446001) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.