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Provider Profile

Eric ZHI WING Chang, OD

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At a glance

About Dr. Chang

Eric ZHI WING Chang, OD is an optometrist based in West Hartford, CT. Eric is a 2025 graduate of New England College of Optometry. The provider's National Provider Identifier (NPI) is 1407743040.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Optometrist (Primary)

Credentials & Licensing

CT licenceAs reported to the NPI registry
No. 3402As reported
NPINational Provider Identifier
1407743040Issued 2025

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Dr. Chang's specialty?

Dr. Chang is an optometrist in West Hartford, CT. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Dr. Chang?

Dr. Chang is listed at 433 S Main St Ste 103, West Hartford, CT 06110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Chang?

The number on file is (860) 233-2020. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Chang's NPI number?

Dr. Chang's National Provider Identifier is 1407743040. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

What is Dr. Chang's medical education?

Dr. Chang attended New England College of Optometry, graduating in 2025. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Chang been practicing?

Dr. Chang has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Chang confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.

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