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

William T. Affolter, MD

Individual provider Family Medicine Physician · NPI 1902953367

William T. Affolter, MD is a Family Medicine Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
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

125 16th Ave E CSB-4
Seattle, WA 98112-5211
Phone: (506) 326-3530
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD00011351 (WA)

Record details

NPI number1902953367
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 5, 2007
Last updated in NPPESOctober 17, 2007
Mailing addressPo Box 34584, Seattle, WA 98124-1584

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