Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Larch Corrections Center

Prison Health Clinic/Center in Yacolt, WA · enumerated 2011 · authorized official Louis Mcdermott, Healthcare Finance Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1538450911

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Registry record

Entity type Organization (Type 2)

Legal business name Larch Corrections Center

Parent organization Department of Corrections

Practice address 15314 Ne Dole Valley Rd, Yacolt, WA, 98675

Phone (360) 260-6300

Fax (360) 686-3966

Enumeration date Apr 20, 2011

Last updated in NPPES Apr 20, 2011

Taxonomy & classification

261QP2400X Prison Health Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Louis Mcdermott

Title Healthcare Finance Manager

Phone (360) 725-8301

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-04-20. Verify at npiregistry.cms.hhs.gov.

Where is Larch Corrections Center located?

The practice location on file with NPPES is in Yacolt, WA.

Providers at this address

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Mary Brown Addiction (Substance Use Disorder) Counselor · Yacolt, WA NPI 1720445273 Keira Mccloskey Addiction (Substance Use Disorder) Counselor · Yacolt, WA NPI 1174276497

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-20.