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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

ROBERT A MAIRS, DO

Active

ROBERT A MAIRS, DO is a Obstetrics & Gynecology healthcare provider located in ONTARIO, Oregon. NPI 1124001862 is currently active in the NPPES registry. Verify at CMS.

Obstetrics & Gynecology · ONTARIO, OR

Registration Details

NPI Number
1124001862
Provider Type
Individual
Gender
Male
NPI Issued
Nov 28, 2005 (20.746830230748 yrs)
Last Updated
Sep 23, 2025
Licenses
O-186 (ID)
DO20644 (OR)
DO20644 (OR)

Practice Information

Address
1050 SW 3RD AVE STE 3200
ONTARIO, OR, 979144560
Browse OR providers · Browse ZIP 97914
Phone
5418812325
Fax
2089146701
Primary Specialty
Obstetrics & Gynecology
207V00000X
Additional Specialty
Gynecology
Additional Specialty
Obstetrics & Gynecology

Other Obstetrics & Gynecology Providers in ONTARIO, OR

Name Credential NPI
FURM M DUNCAN JR. MD 1447233341
DR. JAMES T ROTH M.D. 1104895705
BRANDYE WILSON-MANIGAT M.D. 1639328412
WILLIAM BARRETT STINGER D.O. 1922313253
DR. KENNETH LEIF NATHANIEL SJOREN DO 1093208134
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.