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

William Woo, MD

Individual provider Internal Medicine Physician · NPI 1851453799

William Woo, MD is an Internal Medicine Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

2208 NW Market St Ste 410
Seattle, WA 98107-4030
Phone: (206) 320-3335
Fax: (206) 320-8027
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Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD00021800 (WA)

Record details

NPI number1851453799
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 15, 2006
Last updated in NPPESAugust 29, 2007
Mailing addressPo Box 84026, Seattle, WA 98124-8426

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