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

Robert C Quackenbush, MD

Individual provider Specialist · NPI 1962458877

Robert C Quackenbush, MD is a Specialist in Walla Walla, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

401 W Poplar St
Walla Walla, WA 99362-2846
Phone: (509) 522-5700
Fax: (509) 522-5705
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD00039975 (WA)
Specialist Taxonomy 174400000X · Licence MD00039975 (WA)

Record details

NPI number1962458877
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 25, 2006
Last updated in NPPESJune 26, 2013
Mailing addressPo Box 32, Liberty Lake, WA 99019-0032

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