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

MS. Katherine Robin Willems, FNP

Individual provider Family Nurse Practitioner · NPI 1134393069

MS. Katherine Robin Willems, FNP is a Family Nurse Practitioner in Clearlake, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

15230 Lakeshore Dr
Clearlake, CA 95422-8107
Phone: (707) 995-4500
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 404784-7693 (CA)

Record details

NPI number1134393069
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 22, 2008
Last updated in NPPESMarch 4, 2014

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