Leslie Fenninger, SAC-IT
NPI 1497402762 · Addiction (Substance Use Disorder) Counselor · Waukesha, WI
Leslie Fenninger, SAC-IT is a Addiction (Substance Use Disorder) Counselor provider in Waukesha, WI (NPI 1497402762).
Provider details
- NPI number
- 1497402762
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SAC-IT
- Sex
- Female
- Sole proprietor
- No
- License
- 18788 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-07
- Last updated
- 2022-03-07
- Certified
- 2022-03-07
Frequently asked questions
- What is Leslie Fenninger's NPI number?
- Leslie Fenninger's National Provider Identifier (NPI) is 1497402762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Fenninger's specialty?
- Leslie Fenninger is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Leslie Fenninger located?
- Leslie Fenninger's practice location on file with NPPES is 255 W Broadway, Waukesha, WI 53186-4832.
- What is Leslie Fenninger's phone number?
- The practice phone number listed in the NPPES registry for Leslie Fenninger is (262) 420-9088.
- Is Leslie Fenninger's NPI active?
- Yes — Leslie Fenninger's NPI (1497402762) is active in the NPPES registry as of the last update on 2022-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.