Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael D Arizola III, PAC

Physician Assistant in Appleton, WI · enumerated 2005.

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

National Provider Identifier

1639163652

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael D Arizola III

Credential PAC

Sex Male

Practice address 1506 S Oneida St, Appleton, WI, 54915

Phone (920) 730-7690

Fax (920) 730-2655

Enumeration date Sep 6, 2005

Last updated in NPPES Jan 17, 2014

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1526 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
41964900	Medicaid	WI	—

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 do I verify Michael Arizola's NPI record?

Cross-check NPI 1639163652 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639163652 active?

Yes — as of the latest NPPES snapshot, NPI 1639163652 is active (record last updated 2014-01-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-17.