Eric Chang, OD
NPI 1407743040 · Optometrist · West Hartford, CT
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chang, OD is a Optometrist provider in West Hartford, CT (NPI 1407743040).
Provider details
- NPI number
- 1407743040
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3402 (CT)
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
1 yr 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
- 2025-06-18
- Last updated
- 2025-06-18
- Certified
- 2025-05-23
Frequently asked questions
- What is Eric Chang's NPI number?
- Eric Chang's National Provider Identifier (NPI) is 1407743040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chang's specialty?
- Eric Chang is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Eric Chang located?
- Eric Chang's practice location on file with NPPES is 433 S Main St Ste 103, West Hartford, CT 06110-2812.
- What is Eric Chang's phone number?
- The practice phone number listed in the NPPES registry for Eric Chang is (860) 233-2020.
- Does Eric Chang accept Medicare?
- Eric Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chang's NPI active?
- Yes — Eric Chang's NPI (1407743040) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.