Dr. Chiann-Wen Yang Professional Optometric Corporation
NPI 1326466228 · Optometrist · San Jose, CA
Dr. Chiann-Wen Yang Professional Optometric Corporation is a Optometrist organization in San Jose, CA (NPI 1326466228).
Provider details
- NPI number
- 1326466228
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Chiann-Wen Yang, President(408) 365-4120
- License
- OPT11985 TPL (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
12 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
- 2014-03-29
- Last updated
- 2014-03-29
Frequently asked questions
- What is Dr. Chiann-Wen Yang Professional Optometric Corporation's NPI number?
- Dr. Chiann-Wen Yang Professional Optometric Corporation's National Provider Identifier (NPI) is 1326466228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Chiann-Wen Yang Professional Optometric Corporation?
- Dr. Chiann-Wen Yang Professional Optometric Corporation is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Dr. Chiann-Wen Yang Professional Optometric Corporation located?
- Dr. Chiann-Wen Yang Professional Optometric Corporation's practice location on file with NPPES is 5630 Cottle Road, San Jose, CA 95123-3696.
- What is Dr. Chiann-Wen Yang Professional Optometric Corporation's phone number?
- The practice phone number listed in the NPPES registry for Dr. Chiann-Wen Yang Professional Optometric Corporation is (408) 227-1681.
- Who is the authorized official for Dr. Chiann-Wen Yang Professional Optometric Corporation?
- The authorized official listed on Dr. Chiann-Wen Yang Professional Optometric Corporation's NPPES record is Chiann-Wen Yang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Chiann-Wen Yang Professional Optometric Corporation's NPI active?
- Yes — Dr. Chiann-Wen Yang Professional Optometric Corporation's NPI (1326466228) is active in the NPPES registry as of the last update on 2014-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.