Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. KENNETH LEIF NATHANIEL SJOREN, DO
Active Sole ProprietorDR. KENNETH LEIF NATHANIEL SJOREN, DO is a Obstetrics & Gynecology healthcare provider located in ONTARIO, Oregon. NPI 1093208134 is currently active in the NPPES registry. Verify at CMS.
Obstetrics & Gynecology · ONTARIO, OR
Registration Details
- NPI Number
- 1093208134
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 13, 2018 (8.2071791875867 yrs)
- Last Updated
- Jan 14, 2026
- Licenses
-
DO219324 (OR)O-1672 (ID)
- Sole Proprietor
- Yes
Practice Information
- Address
-
840 SW 4TH AVE STE 105ONTARIO, OR, 979142638Browse OR providers · Browse ZIP 97914
- Phone
- 5418812800
- Fax
- 5418812825
- Primary Specialty
-
Obstetrics & Gynecology
207V00000X
- Additional Specialty
- Obstetrics & Gynecology
Other Obstetrics & Gynecology Providers in ONTARIO, OR
| Name | Credential | NPI |
|---|---|---|
| FURM M DUNCAN JR. | MD | 1447233341 |
| ROBERT A MAIRS | DO | 1124001862 |
| DR. JAMES T ROTH | M.D. | 1104895705 |
| BRANDYE WILSON-MANIGAT | M.D. | 1639328412 |
| WILLIAM BARRETT STINGER | D.O. | 1922313253 |
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.