Vivian Dinh
NPI 1952280661 · Optometrist · Berkeley, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Dinh is a Optometrist provider in Berkeley, CA (NPI 1952280661).
Provider details
- NPI number
- 1952280661
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- OPT36102-TLG (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
Under 1 yr in 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
- 2025-08-27
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Frequently asked questions
- What is Vivian Dinh's NPI number?
- Vivian Dinh's National Provider Identifier (NPI) is 1952280661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Dinh's specialty?
- Vivian Dinh is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Vivian Dinh located?
- Vivian Dinh's practice location on file with NPPES is 380 Minor Hall, Berkeley, CA 94720-2021.
- What is Vivian Dinh's phone number?
- The practice phone number listed in the NPPES registry for Vivian Dinh is (510) 642-2020.
- Does Vivian Dinh accept Medicare?
- Vivian Dinh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Dinh's NPI active?
- Yes — Vivian Dinh's NPI (1952280661) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.