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

Dr. Katherine E Walker, MD

Individual provider Family Medicine Physician · NPI 1437101177

Dr. Katherine E Walker, MD is a Family Medicine Physician in Sonoma, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

15000 Arnold Dr
Sonoma, CA 95431-1493
Phone: (707) 938-6556
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G69445 (CA)

Record details

NPI number1437101177
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESJuly 13, 2026
Mailing address1600 9th Street, Room 205, Mailstop 2-3, Sacramento, CA 95814-6414

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