Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Gaffke, MS, LPC, CADC III

Professional Counselor in Oak Creek, WI · enumerated 2006.

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

National Provider Identifier

1801817168

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Registry record

Entity type Individual (Type 1)

Name Gregory Gaffke

Credential MS, LPC, CADC III

Sex Male

Practice address 6416 S Howell Ave, Oak Creek, WI, 53154

Phone (414) 762-5429

Fax (414) 762-9727

Enumeration date Jul 22, 2006

Last updated in NPPES Jan 2, 2008

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 1026 (WI) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 193-125 (WI) Primary

LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC credential

Other identifiers

Identifier	Type	State	Issuer
39708400	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 Gaffke?

The National Provider Identifier (NPI) for Gregory Gaffke is 1801817168, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Gaffke practice?

The practice location on file with NPPES is in Oak Creek, 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 2008-01-02.