Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gregory M Cavanaugh, PA-C

Physician Assistant in Greenfield, WI · enumerated 2006.

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

National Provider Identifier

1124084462

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Registry record

Entity type Individual (Type 1)

Name Mr. Gregory M Cavanaugh

Credential PA-C

Sex Male

Practice address 4131 W. Loomis Rd., Ste 300, Greenfield, WI, 53221

Phone (414) 325-7246

Fax (414) 325-3770

Enumeration date Apr 25, 2006

Last updated in NPPES Jan 15, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1261023 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
30118100	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

What is the NPI number for Gregory Cavanaugh?

The National Provider Identifier (NPI) for Gregory Cavanaugh is 1124084462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Cavanaugh practice?

The practice location on file with NPPES is in Greenfield, 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 2026-01-15.