Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Katharine Lou Nadia Holmstrom, FNP-C

Individual provider Nurse Practitioner · NPI 1700762242

Katharine Lou Nadia Holmstrom, FNP-C is a Nurse Practitioner in Zillah, Washington. Qualified in 2025, 1 year ago. Practices with Yakima Valley Farm Workers Clinic, a 276-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
1
Licensed in
WA
In the registry since
2025
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

1701 N Granger Rd
Zillah, WA 98953-9604
Phone: (425) 681-2580
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence AP70024639 (WA)

Record details

NPI number1700762242
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedAugust 12, 2025
Last updated in NPPESNovember 5, 2025
Certification dateNovember 5, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Yakima Valley Farm Workers Clinic — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Yakima Valley Farm Workers Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 276 clinicians in the practice; 12 are shown here.