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CORTNEY ALICE OSTER
NPI 1225915309
Counselor in Chehalis, WA

Active since August 19, 2025
135 W MAIN ST, CHEHALIS, WA 98532(360) 748-4339 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Cortney Alice Oster NPPES

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

CORTNEY ALICE OSTER (NPI 1225915309) is an individual counselor in Chehalis, Washington, licensed in Washington (CG70040484) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1225915309
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameCORTNEY ALICE OSTER
Location Address135 W MAIN STChehalis, WA 98532-4817
Mailing Address2428 W Reynolds AveCentralia, WA 98531-4554 · (360) 330-9044 · Fax (360) 736-0689
Phone(360) 748-4339
Sole ProprietorNo
Enumeration DateAugust 19, 2025
NPPES CertifiedAugust 19, 2025
✔ NPI 1225915309 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in WA · CG70040484
Definition

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

135 W MAIN ST, Chehalis, WA 98532
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. DANNY RAY WINGER MA
Counselor (Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696
MISS CHARLOTTE MARIE SMYTH B.A.
Counselor (Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696
MS. MARY EILEEN MCGORRY RN
Registered Nurse (Psychiatric/Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696
MS. TRENA RAE WARK
Case Management
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696
ALLISON M. WEDIN M.A., D.M.H.P.
Counselor (Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 740-5275
MRS. BRENDA G GREENFIELD
Counselor (Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696
MS. BEVERLY ANN REED
Counselor (Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696
KATHLEEN SUANNE BIEKER B.A.
Counselor (Mental Health)
135 W MAIN ST
CHEHALIS, WA 98532
Lewis County (360) 748-6696

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 Cortney Oster's NPI number?

The NPI number for Cortney Oster is 1225915309. It was assigned to this individual provider in the NPPES registry on August 19, 2025.

Where is Cortney Oster located?

Cortney Oster practices at 135 W Main St, Chehalis, WA 98532. The listed phone number is (360) 748-4339.

What is Cortney Oster's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Cortney Oster was last updated on August 19, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.