Leonard Leveille, MD
NPI 1205871779 · Family Medicine Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Leveille, MD is a Family Medicine Physician provider in Appleton, WI (NPI 1205871779).
Provider details
- NPI number
- 1205871779
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37221 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-18
- Last updated
- 2012-03-14
Frequently asked questions
- What is Leonard Leveille's NPI number?
- Leonard Leveille's National Provider Identifier (NPI) is 1205871779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Leveille's specialty?
- Leonard Leveille is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Leveille located?
- Leonard Leveille's practice location on file with NPPES is 4480 W Spencer St, Appleton, WI 54914-9106.
- What is Leonard Leveille's phone number?
- The practice phone number listed in the NPPES registry for Leonard Leveille is (920) 738-4800.
- Does Leonard Leveille accept Medicare?
- Leonard Leveille is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Leveille's NPI active?
- Yes — Leonard Leveille's NPI (1205871779) is active in the NPPES registry as of the last update on 2012-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.