Individual provider · Type 1 NPI

Richard Derrick Knowles, MD

Family Medicine Physician · Vancouver, WA

NPI number 1225113236 Active

Practice location

2101 NE 139th St Ste 450
Vancouver, WA 98686-2325

Call (360) 487-4848 Map

Mailing address

PO Box 2077
Portland, OR 97208-2077

Other practice locations

  • 440 NW Division St, Gresham, OR 97030-5506 · (503) 215-9525
  • 14508 NE 20th Ave Ste 102, Vancouver, WA 98686-6434 · (360) 852-9670
  • 406 SE 131st Ave, Suite 101, Vancouver, WA 98683-4004 · (360) 253-2800
  • 3101 SE 192nd Ave Ste 103, Vancouver, WA 98683-1443 · (360) 666-4480

Specialties and licenses

TaxonomyCodeLicense
Family Medicine Physician 207Q00000XMD00042903 (WA)
Family Medicine Physician Primary 207Q00000XMD195896 (OR)

Family Medicine Physician: Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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About NPI 1225113236

Richard Derrick Knowles, MD's National Provider Identifier is 1225113236, issued on Oct 26, 2006. The primary taxonomy on file is Family Medicine Physician (207Q00000X), and the practice location is in Vancouver, WA. The record was last updated on Aug 5, 2026.