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

Robert A. Mairs DO PC

Organization Rural Health Clinic/Center · NPI 1891112967

Robert A. Mairs DO PC is a Rural Health Clinic/Center in Ontario, Oregon. Registered with an NPI since 2014.

In the registry since
2014
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1219 SW 4th Ave Ste 2
Ontario, OR 97914-4566
Phone: (541) 889-2229
Fax: (541) 889-0716
Show map & directions

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

Specialties & licences

Rural Health Clinic/Center (primary) Taxonomy 261QR1300X

Record details

NPI number1891112967
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Mairs — Owner · (541) 889-2229
Other names Treasure Valley Women And Family Medicine Clinics
NPI enumeratedMarch 26, 2014
Last updated in NPPESMarch 26, 2014
Mailing address1219 Sw 4th Ave, Suite 2, Ontario, OR 97914-4566