Physician Profile

Tuan A. Duong, M.D.

Unclaimed Profile

About Dr. Duong

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Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA licenseA82670
NPI1245366558
NPI issued02/23/2007

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Medicare opt-outYes, since July 2016
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 Tuan A. Duong's specialty?

Tuan A. Duong is an internist in San Francisco, 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 Tuan A. Duong?

Tuan A. Duong is listed at 1489 Webster St Suite 200, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Tuan A. Duong?

The number on file is (415) 775-5700. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Tuan A. Duong's NPI number?

Tuan A. Duong's National Provider Identifier is 1245366558. 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 Tuan A. Duong been practicing?

Tuan A. Duong has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Tuan A. Duong confirmed this information?

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

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.