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Physician Profile

Clayton W. Chang, M.D

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At a glance

About Dr. Chang

Based in Pottstown, PA, Clayton W. Chang, M.D is listed in the NPI registry under internal medicine. NPI 1346204328 identifies this record in the national registry.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

PA licenceAs reported to the NPI registry
No. MD024824EAs reported
NPINational Provider Identifier
1346204328Issued 2006

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 Clayton W. Chang's specialty?

Clayton W. Chang is an internist in Pottstown, PA. 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 Clayton W. Chang?

Clayton W. Chang is listed at 933 N Charlotte St Suite 101, Pottstown, PA 19464. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Clayton W. Chang?

The number on file is (610) 323-6566. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Clayton W. Chang's NPI number?

Clayton W. Chang's National Provider Identifier is 1346204328. 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 Clayton W. Chang been practicing?

Clayton W. Chang has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Clayton W. Chang confirmed this information?

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

Guide.md

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