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WILLIAM CHESTER BARKER
NPI 1194692889
Peer Specialist in Corvallis, OR

Active since October 20, 2025
216 NW 15TH ST, CORVALLIS, OR 97330(541) 360-1837 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Chester Barker NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM CHESTER BARKER (NPI 1194692889) is an individual peer specialist in Corvallis, Oregon and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1194692889
Entity TypeIndividualMale
Primary Taxonomy175T00000X
Provider Legal NameWILLIAM CHESTER BARKER
Location Address216 NW 15TH STCorvallis, OR 97330-5804
Mailing Address216 Nw 15th StCorvallis, OR 97330-5804 · (541) 360-1837
Phone(541) 360-1837
Sole ProprietorYes
Enumeration DateOctober 20, 2025
NPPES CertifiedOctober 19, 2025
✔ NPI 1194692889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
Definition
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
216 NW 15TH ST, Corvallis, OR 97330
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Barker's NPI number?

The NPI number for William Barker is 1194692889. It was assigned to this individual provider in the NPPES registry on October 20, 2025.

Where is William Barker located?

William Barker practices at 216 NW 15th St, Corvallis, OR 97330. The listed phone number is (541) 360-1837.

What is William Barker's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for William Barker was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.