Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William A Bentley, BOCP, CFO, CPA

Prosthetist in Carson City, NV · enumerated 2012 · practices at Ultra Prosthetics.

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

National Provider Identifier

1639430457

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Registry record

Entity type Individual (Type 1)

Name William A Bentley

Credential BOCP, CFO, CPA

Sex Male

Practice address 20 Affonso Dr Ste G, Carson City, NV, 89706

Phone (775) 882-4408

Fax (775) 882-1561

Enumeration date Jun 7, 2012

Last updated in NPPES Dec 17, 2021

Taxonomy & licenses

225000000X Orthotic Fitter Respiratory, Developmental, Rehabilitative and Restorative Service Providers Secondary

224P00000X Prosthetist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary

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

Is NPI 1639430457 active?

Yes, as of the latest NPPES snapshot, NPI 1639430457 is active (record last updated 2021-12-17).

How do I verify William Bentley's NPI record?

Cross-check NPI 1639430457 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Ultra Prosthetics Prosthetic/Orthotic Supplier · Carson City, NV NPI 1376624593

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-17.