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

Ryan Frederick Holbrook, MD

Individual provider Surgical Oncology Physician · NPI 1801885520

Ryan Frederick Holbrook, MD is a Surgical Oncology Physician in Spokane, Washington. Licensed in Washington. Registered with an NPI since 2005.

Licensed in
WA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

601 S Sherman St
Spokane, WA 99202-1311
Phone: (509) 228-1000
Fax: (509) 252-9300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence MD00032407 (WA)

Record details

NPI number1801885520
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 14, 2005
Last updated in NPPESMarch 27, 2017
Mailing addressPo Box 3868, Spokane, WA 99220-3868

Other providers in Spokane