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

Grande Ronde Hospital, Inc

Organization Primary Care Clinic/Center · NPI 1871972729

Grande Ronde Hospital, Inc is a Primary Care Clinic/Center in Union, Oregon. Registered with an NPI since 2015.

In the registry since
2015
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

142 E Dearborn St
Union, OR 97883
Phone: (541) 963-1555
Fax: (541) 963-1845
Show map & directions

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

Specialties & licences

Primary Care Clinic/Center (primary) Taxonomy 261QP2300X

Record details

NPI number1871972729
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Mattes — President/Ceo · (541) 963-1464
Other names Grande Ronde Hospital Union Clinic
NPI enumeratedMay 26, 2015
Last updated in NPPESAugust 25, 2015
Mailing addressPo Box 3290, La Grande, OR 97850-7290