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

Rudolph H Knaack, MD

Individual provider Family Medicine Physician · NPI 1225082001

Rudolph H Knaack, MD is a Family Medicine Physician in Oak Harbor, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

275 SE Cabot Dr Ste B101
Oak Harbor, WA 98277
Phone: (360) 675-6648
Fax: (360) 679-2487
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD00013905 (WA)

Record details

NPI number1225082001
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESJuly 13, 2026
Mailing address275 Se Cabot Drive, Suite B101, Oak Harbor, WA 98277

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