Physician Profile

Seng-Ian Gan, M.D.

Unclaimed Profile

About Dr. Gan

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Specialty

Gastroenterology (Primary)
Gastroenterology (Additional)

Credentials & Licensing

WA licenseMD60027255
MA license222765
NPI1700833498
NPI issued05/28/2006

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.

Common questions

What does Seng-Ian Gan specialize in?

Seng-Ian Gan is a gastroenterologist in Seattle, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.

NPI registry

Where is Seng-Ian Gan located?

Seng-Ian Gan is listed at 1100 9Th Ave, Seattle, WA 98101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Seng-Ian Gan's phone number?

The number on file is (206) 223-6600. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Seng-Ian Gan's NPI number?

Seng-Ian Gan's National Provider Identifier is 1700833498. 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 Seng-Ian Gan been practicing?

Seng-Ian Gan 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 Seng-Ian Gan confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Seng-Ian Gan. 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.