Tam Nguyen, O.D.
NPI 1346366093 · Optometrist · Westminster, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tam Nguyen, O.D. is a Optometrist provider in Westminster, CA (NPI 1346366093).
Provider details
- NPI number
- 1346366093
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11086T (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
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
Mailing address
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2018-12-26
Frequently asked questions
- What is Tam Nguyen's NPI number?
- Tam Nguyen's National Provider Identifier (NPI) is 1346366093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tam Nguyen's specialty?
- Tam Nguyen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Tam Nguyen located?
- Tam Nguyen's practice location on file with NPPES is 9191 Bolsa Ave, Westminster, CA 92683-5564.
- What is Tam Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tam Nguyen is (714) 235-3415.
- Does Tam Nguyen accept Medicare?
- Tam Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tam Nguyen's NPI active?
- Yes — Tam Nguyen's NPI (1346366093) is active in the NPPES registry as of the last update on 2018-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.