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

Mr. William Harold Arp-Howard

Individual provider Case Manager/Care Coordinator · NPI 1326320425

Mr. William Harold Arp-Howard is a Case Manager/Care Coordinator in Corvallis, Oregon. Works from 2 locations. Registered with an NPI since 2011.

In the registry since
2011
Specialties on file
3

Practice location Address checks out

530 NW 27th St
Corvallis, OR 97330-5223
Phone: (541) 766-6835
Fax: (541) 766-6186
Show map & directions

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

Additional practice locations (1)

  • 10313 Sw 69th Ave, Tigard, OR 97223-9103 — (541) 948-5058

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X
Case Manager/Care Coordinator Taxonomy 171M00000X
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1326320425
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 14, 2011
Last updated in NPPESApril 29, 2026
Certification dateApril 29, 2026

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