Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph J Petrozzo, PAC
Physician Assistant in Madison, WI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326265828
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Registry record
Entity type Individual (Type 1)
Name Joseph J Petrozzo
Credential PAC
Sex Male
Practice address 7401 Mineral Point Rd., Madison, WI, 53717
Phone (608) 417-3278
Enumeration date Apr 19, 2007
Last updated in NPPES Dec 14, 2009
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 2094 (WI) 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.
Frequently asked questions
What is the NPI number for Joseph Petrozzo?
The National Provider Identifier (NPI) for Joseph Petrozzo is 1326265828, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Petrozzo practice?
The practice location on file with NPPES is in Madison, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-14.