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

Robert a Mairs DO PC

Organization Obstetrics & Gynecology Physician · NPI 1871757823

Robert a Mairs DO PC is an Obstetrics & Gynecology Physician in Ontario, Oregon. Licensed in Oregon. Registered with an NPI since 2008.

Licensed in
OR
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1219 SW 4th Ave Ste 2
Ontario, OR 97914-4516
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

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence DO20644 (OR)

Record details

NPI number1871757823
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Mairs — Owner · (541) 889-2229
Other names Robert A Mairs Do Pc
NPI enumeratedJuly 17, 2008
Last updated in NPPESJanuary 4, 2013
Mailing address1219 Sw 4th Ave, Suite 2, Ontario, OR 97914-4516

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