Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Clifford W Wilkinson, PA-C

Physician Assistant in Sioux City, IA · enumerated 2006 · practices at Siouxland Community Health Center.

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

National Provider Identifier

1326080433

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Registry record

Entity type Individual (Type 1)

Name Clifford W Wilkinson

Credential PA-C

Sex Male

Practice address 1021 Nebraska St, Sioux City, IA, 51105

Phone (712) 252-2477

Fax (712) 252-5516

Enumeration date Jun 12, 2006

Last updated in NPPES Jun 14, 2021

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 001128 (IA) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 001128 (IA) 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 1326080433 active?

Yes, as of the latest NPPES snapshot, NPI 1326080433 is active (record last updated 2021-06-14).

How do I verify Clifford Wilkinson's NPI record?

Cross-check NPI 1326080433 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-14.