Physician Profile

Han Kyo K. Chang, M.D

Unclaimed Profile

About Dr. Chang

Han Kyo K. Chang, M.D practices internal medicine in Walnut Creek, CA. Han Kyo is also listed as specializing in specialist. The provider's National Provider Identifier (NPI) is 1235127150.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA licenceAs reported to the NPI registry
No. C138034As reported
NY licenceAs reported to the NPI registry
No. 125005As reported
NPINational Provider Identifier
1235127150Issued 2005

As reported to the NPI registry ↗

Medicare information

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 Han Kyo K. Chang's specialty?

Han Kyo K. Chang is an internist in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find Han Kyo K. Chang?

Han Kyo K. Chang is listed at 1434 Stanley Dollar Dr Unit 3B, Walnut Creek, CA 94595. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Han Kyo K. Chang?

The number on file is (716) 418-4665. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Han Kyo K. Chang's NPI number?

Han Kyo K. Chang's National Provider Identifier is 1235127150. 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

How long has Han Kyo K. Chang been practicing?

Han Kyo K. Chang has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Han Kyo K. Chang confirmed this information?

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

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