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

Grace Koolhoven

Individual provider Mental Health Counselor · NPI 1255189809

Grace Koolhoven is a Mental Health Counselor in Hillsboro, Oregon. Practices as a sole proprietor. Registered with an NPI since 2024.

In the registry since
2024

Practice location Address checks out

222 SE 8th Ave Ste 212
Hillsboro, OR 97123-4218
Phone: (503) 352-7333
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1255189809
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 8, 2024
Last updated in NPPESMay 8, 2024
Certification dateMay 8, 2024
Mailing address5715 Ne 29th Ave, Portland, OR 97211-6123

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