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

Donald Dean Hamper Jr.

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1447725601

Donald Dean Hamper Jr. is an Addiction (Substance Use Disorder) Counselor in Pendleton, Oregon. Practices as a sole proprietor. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

17 SW Frazer Ave Ste 282
Pendleton, OR 97801-9780
Phone: (541) 278-6330
Fax: (541) 278-5419
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

Record details

NPI number1447725601
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 3, 2018
Last updated in NPPESOctober 3, 2018

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