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

Robert P Witherspoon

Individual provider Hematology & Oncology Physician · NPI 1659456481

Robert P Witherspoon is a Hematology & Oncology Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006

Practice location Partly verified

Some contact details are missing from the federal record.

University Of Washington Medical Ctr 1959 NE Pacific St
Seattle, WA 98195-0001
Phone: (206) 288-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD00012117 (WA)

Record details

NPI number1659456481
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 27, 2006
Last updated in NPPESDecember 28, 2012
Mailing addressPo Box 50095, Seattle, WA 98145-5095

Other providers in Seattle