Diamond Valley Optometry
NPI 1285473611 · Optometrist · Dublin, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diamond Valley Optometry is a Optometrist organization in Dublin, CA (NPI 1285473611).
Provider details
- NPI number
- 1285473611
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Winson Ong, Ceo(408) 757-6951
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
2 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
- 2024-05-24
- Last updated
- 2024-05-24
- Certified
- 2024-05-23
Frequently asked questions
- What is Diamond Valley Optometry's NPI number?
- Diamond Valley Optometry's National Provider Identifier (NPI) is 1285473611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diamond Valley Optometry?
- Diamond Valley Optometry is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Diamond Valley Optometry located?
- Diamond Valley Optometry's practice location on file with NPPES is 6500 Dublin Blvd Ste F, Dublin, CA 94568-3151.
- What is Diamond Valley Optometry's phone number?
- The practice phone number listed in the NPPES registry for Diamond Valley Optometry is (925) 828-7730.
- Does Diamond Valley Optometry accept Medicare?
- Diamond Valley Optometry 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 Diamond Valley Optometry?
- The authorized official listed on Diamond Valley Optometry's NPPES record is Winson Ong, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diamond Valley Optometry's NPI active?
- Yes — Diamond Valley Optometry's NPI (1285473611) is active in the NPPES registry as of the last update on 2024-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.