Dr. Michael Chang Optometry Corporation
NPI 1376329896 · Optometrist · Irvine, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr. Michael Chang Optometry Corporation is a Optometrist organization in Irvine, CA (NPI 1376329896).
Provider details
- NPI number
- 1376329896
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Michael Chang, President(562) 716-8986
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
2 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
- 2023-08-31
- Last updated
- 2023-08-31
- Certified
- 2023-08-31
Frequently asked questions
- What is Dr. Michael Chang Optometry Corporation's NPI number?
- Dr. Michael Chang Optometry Corporation's National Provider Identifier (NPI) is 1376329896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Michael Chang Optometry Corporation?
- Dr. Michael Chang Optometry Corporation is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Dr. Michael Chang Optometry Corporation located?
- Dr. Michael Chang Optometry Corporation's practice location on file with NPPES is 2700 Alton Pkwy Ste 221, Irvine, CA 92606-2646.
- What is Dr. Michael Chang Optometry Corporation's phone number?
- The practice phone number listed in the NPPES registry for Dr. Michael Chang Optometry Corporation is (562) 716-8986.
- Does Dr. Michael Chang Optometry Corporation accept Medicare?
- Dr. Michael Chang Optometry Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr. Michael Chang Optometry Corporation?
- The authorized official listed on Dr. Michael Chang Optometry Corporation's NPPES record is Michael Chang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Michael Chang Optometry Corporation's NPI active?
- Yes — Dr. Michael Chang Optometry Corporation's NPI (1376329896) is active in the NPPES registry as of the last update on 2023-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.