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

Aaron Frank Buck

Individual provider Mental Health Counselor · NPI 1871453134

Aaron Frank Buck is a Mental Health Counselor in Toppenish, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2025
Specialties on file
2

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 386
Toppenish, WA 98948-0386
Phone: (509) 865-5121
Fax: (509) 865-4333
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X (WA)
Mental Health Counselor Taxonomy 101YM0800X (WA)

Record details

NPI number1871453134
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 17, 2025
Last updated in NPPESNovember 19, 2025
Certification dateNovember 17, 2025
Mailing addressPo Box 386, Toppenish, WA 98948-0386

Other providers in Toppenish