Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Kevin I-Gong Duan, MD

Individual provider Internal Medicine Physician · NPI 1871869420

Kevin I-Gong Duan, MD is an Internal Medicine Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2012.

Licensed in
WA
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 520-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD60840092 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60840092 (WA)

Record details

NPI number1871869420
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2012
Last updated in NPPESDecember 3, 2021
Certification dateDecember 3, 2021

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