Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael A Defazio, MSSW LICSW CADC III

Social Worker in Kenosha, WI · enumerated 2006.

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

National Provider Identifier

1154407419

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael A Defazio

Credential MSSW LICSW CADC III

Sex Male

Practice address 3734 7th Ave, Ste 24, Kenosha, WI, 53140

Phone (262) 654-0487

Fax (262) 654-2434

Enumeration date Oct 30, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 044 (WI) Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 1165 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
39548700	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.

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Frequently asked questions

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.

What specialty is Michael Defazio?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.