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

Gretchen Renee Aguilar, ARNP, FNP-C

Individual provider School Nurse Practitioner · NPI 1578391249

Gretchen Renee Aguilar, ARNP, FNP-C is a Nurse Practitioner in Tonasket, Washington. Qualified in 2023, 3 years ago. Practices with Okanogan County Public Hospital Dist No 4, a 50-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
3
Licensed in
WA
In the registry since
2024
Specialties on file
4
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

118 S Whitcomb Ave
Tonasket, WA 98855-9287
Phone: (509) 486-3191
Fax: (509) 223-1743
Show map & directions

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

Additional practice locations (1)

  • Po Box 84, Malott, WA 98829-0084 — (509) 429-2254

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence AP61589138 (WA)
School Nurse Practitioner Taxonomy 363LS0200X · Licence AP61589138 (WA)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence AP61589138 (WA)
Primary Care Nurse Practitioner Taxonomy 363LP2300X · Licence AP61589138 (WA)

Record details

NPI number1578391249
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP , FNP-C
Sole proprietorYes
NPI enumeratedJuly 24, 2024
Last updated in NPPESDecember 4, 2025
Certification dateDecember 4, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Okanogan County Public Hospital Dist No 4 — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare