Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gary L Barnes, MSW, LCSW

Clinical Social Worker in Corvallis, OR · enumerated 2007.

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

National Provider Identifier

1164635314

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Registry record

Entity type Individual (Type 1)

Name Gary L Barnes

Credential MSW, LCSW

Sex Male

Practice address Corvallis, OR, 97333

Phone (541) 752-9826

Fax (866) 905-8115

Enumeration date May 7, 2007

Last updated in NPPES Mar 27, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License L1688 (OR) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
844704002	Other	OR	REGENCE BCBSO PROV NO

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

What specialty is Gary Barnes?

Gary Barnes is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-27.