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Leslie Fenninger, SAC-IT

Addiction (Substance Use Disorder) Counselor in Waukesha, WI · enumerated 2022 · practices at Iris Health Clinic.

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

National Provider Identifier

1497402762

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Registry record

Entity type Individual (Type 1)
Name Leslie Fenninger
Credential SAC-IT
Sex Female
Practice address 255 W Broadway, Waukesha, WI, 53186
Phone (262) 420-9088
Enumeration date Mar 7, 2022
Last updated in NPPES Mar 7, 2022

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 18788 (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.

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Frequently asked questions

What is the NPI number for Leslie Fenninger?
The National Provider Identifier (NPI) for Leslie Fenninger is 1497402762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Leslie Fenninger practice?
The practice location on file with NPPES is in Waukesha, WI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-03-07.