OrganizationActive
Cheslyn Gan Optometrist Inc
NPI 1144891714 · Optometrist · Walnut Creek, CA
Cheslyn Gan Optometrist Inc is a Optometrist organization in Walnut Creek, CA (NPI 1144891714).
Provider details
- NPI number
- 1144891714
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Cheslyn Gan, President(925) 934-9328
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
1553 Palos Verdes Mall
Walnut Creek, CA 94597-2228
Phone: (925) 934-9328
Fax: (925) 934-9383
Approximate (ZIP-level) locationGet directions
Mailing address
1553 Palos Verdes Mall
Walnut Creek, CA 94597-2228
Registry dates
- Enumerated
- 2021-07-06
- Last updated
- 2021-07-06
- Certified
- 2021-07-06
Frequently asked questions
- What is Cheslyn Gan Optometrist Inc's NPI number?
- Cheslyn Gan Optometrist Inc's National Provider Identifier (NPI) is 1144891714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cheslyn Gan Optometrist Inc?
- Cheslyn Gan Optometrist Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Cheslyn Gan Optometrist Inc located?
- Cheslyn Gan Optometrist Inc's practice location on file with NPPES is 1553 Palos Verdes Mall, Walnut Creek, CA 94597-2228.
- What is Cheslyn Gan Optometrist Inc's phone number?
- The practice phone number listed in the NPPES registry for Cheslyn Gan Optometrist Inc is (925) 934-9328.
- Who is the authorized official for Cheslyn Gan Optometrist Inc?
- The authorized official listed on Cheslyn Gan Optometrist Inc's NPPES record is Cheslyn Gan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cheslyn Gan Optometrist Inc's NPI active?
- Yes — Cheslyn Gan Optometrist Inc's NPI (1144891714) is active in the NPPES registry as of the last update on 2021-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.