Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. William Barringer, CO

Orthotist in Oklahoma City, OK · enumerated 2006.

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

National Provider Identifier

1861461998

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Registry record

Entity type Individual (Type 1)

Name Mr. William Barringer

Credential CO

Sex Male

Practice address 4301 N Classen Blvd, Oklahoma City, OK, 73118

Phone (405) 525-4000

Enumeration date Mar 14, 2006

Last updated in NPPES Jul 16, 2012

Taxonomy & licenses

222Z00000X Orthotist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5 (OK) Primary

225000000X Orthotic Fitter Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5 (OK) Secondary

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.

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Frequently asked questions

What specialty is William Barringer?

William Barringer is registered in NPPES with the primary taxonomy of Orthotist. 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-07-16.