Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
WILLIAM CHESTER BARKER
Active Sole ProprietorWILLIAM CHESTER BARKER is a Peer Specialist healthcare provider located in CORVALLIS, Oregon. NPI 1194692889 is currently active in the NPPES registry. Verify at CMS.
Peer Specialist · CORVALLIS, OR
Registration Details
- NPI Number
- 1194692889
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Oct 20, 2025 (0.83861738871499 yrs)
- Last Updated
- Oct 20, 2025
- Sole Proprietor
- Yes
Practice Information
- Address
-
216 NW 15TH STCORVALLIS, OR, 973305804Browse OR providers · Browse ZIP 97330
- Phone
- 5413601837
- Primary Specialty
-
Peer Specialist
175T00000X
Other Peer Specialist Providers in CORVALLIS, OR
| Name | Credential | NPI |
|---|---|---|
| CAROLYN LUCILLE CONSOLI | — | 1063605095 |
| NAOMI JEFFRIES | — | 1952708596 |
| STEPHEN SPURGEON | — | 1417405572 |
| SHAWN LEE THARP | — | 1023524808 |
| WILMA MCALVAIN HAWKINSON | CADC II | 1306312293 |
| WILLIAM LAWRANCE CLAVE | PSS | 1578027926 |
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.