Tiffany Truong, O.D., F.I.A.O.M.C.
NPI 1891817805 · Optometrist · Fremont, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Truong, O.D., F.I.A.O.M.C. is a Optometrist provider in Fremont, CA (NPI 1891817805).
Provider details
- NPI number
- 1891817805
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D., F.I.A.O.M.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- OPT 9442 TPA (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
- 2007-04-03
- Last updated
- 2019-07-03
Frequently asked questions
- What is Tiffany Truong's NPI number?
- Tiffany Truong's National Provider Identifier (NPI) is 1891817805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Truong's specialty?
- Tiffany Truong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Tiffany Truong located?
- Tiffany Truong's practice location on file with NPPES is 5395 Mowry Ave, Fremont, CA 94538-1057.
- What is Tiffany Truong's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Truong is (510) 440-9825.
- Does Tiffany Truong accept Medicare?
- Tiffany Truong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Truong's NPI active?
- Yes — Tiffany Truong's NPI (1891817805) is active in the NPPES registry as of the last update on 2019-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.