IndividualActive
Ann Chang
NPI 1114300084 · Optometrist · Menlo Park, CA
Ann Chang is a Optometrist provider in Menlo Park, CA (NPI 1114300084).
Provider details
- NPI number
- 1114300084
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 15333 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
925 Hamilton Ave
Menlo Park, CA 94025-1431
Phone: (650) 521-5440
Street-level locationGet directions
Mailing address
581 7th Ave
Menlo Park, CA 94025-1846
Registry dates
- Enumerated
- 2015-07-09
- Last updated
- 2022-03-20
- Certified
- 2022-03-20
Frequently asked questions
- What is Ann Chang's NPI number?
- Ann Chang's National Provider Identifier (NPI) is 1114300084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Chang's specialty?
- Ann Chang is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Ann Chang located?
- Ann Chang's practice location on file with NPPES is 925 Hamilton Ave, Menlo Park, CA 94025-1431.
- What is Ann Chang's phone number?
- The practice phone number listed in the NPPES registry for Ann Chang is (650) 521-5440.
- Is Ann Chang's NPI active?
- Yes — Ann Chang's NPI (1114300084) is active in the NPPES registry as of the last update on 2022-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.