OrganizationActive
Robert A. Mairs DO PC
NPI 1891112967 · Rural Health Clinic/Center · Ontario, OR
Robert A. Mairs DO PC is a Rural Health Clinic/Center organization in Ontario, OR (NPI 1891112967).
Provider details
- NPI number
- 1891112967
- Entity type
- Organization
- Primary specialty
- Rural Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Robert Mairs, Owner(541) 889-2229
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1219 Sw 4th Ave
Suite 2
Ontario, OR 97914-4566
Phone: (541) 889-2229
Fax: (541) 889-0716
Street-level locationGet directions
Mailing address
1219 Sw 4th Ave
Ontario, OR 97914-4566
Other names (DBA / former)
- Doing business as
- Treasure Valley Women and Family Medicine Clinics
Registry dates
- Enumerated
- 2014-03-26
- Last updated
- 2014-03-26
Frequently asked questions
- What is Robert A. Mairs DO PC's NPI number?
- Robert A. Mairs DO PC's National Provider Identifier (NPI) is 1891112967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert A. Mairs DO PC?
- Robert A. Mairs DO PC is classified in the NPPES registry as Rural Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Robert A. Mairs DO PC located?
- Robert A. Mairs DO PC's practice location on file with NPPES is 1219 Sw 4th Ave, Ontario, OR 97914-4566.
- What is Robert A. Mairs DO PC's phone number?
- The practice phone number listed in the NPPES registry for Robert A. Mairs DO PC is (541) 889-2229.
- Who is the authorized official for Robert A. Mairs DO PC?
- The authorized official listed on Robert A. Mairs DO PC's NPPES record is Robert Mairs, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert A. Mairs DO PC's NPI active?
- Yes — Robert A. Mairs DO PC's NPI (1891112967) is active in the NPPES registry as of the last update on 2014-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.