Margaret Leonhardt, M.D.
NPI 1538153416 · Family Medicine Physician · New Berlin, WI
Margaret Leonhardt, M.D. is a Family Medicine Physician provider in New Berlin, WI (NPI 1538153416).
Provider details
- NPI number
- 1538153416
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 25980 (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
- 2005-09-07
- Last updated
- 2010-12-27
Frequently asked questions
- What is Margaret Leonhardt's NPI number?
- Margaret Leonhardt's National Provider Identifier (NPI) is 1538153416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Leonhardt's specialty?
- Margaret Leonhardt is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Leonhardt located?
- Margaret Leonhardt's practice location on file with NPPES is 12901 W National Ave, New Berlin, WI 53151-4063.
- What is Margaret Leonhardt's phone number?
- The practice phone number listed in the NPPES registry for Margaret Leonhardt is (262) 782-7770.
- Is Margaret Leonhardt's NPI active?
- Yes — Margaret Leonhardt's NPI (1538153416) is active in the NPPES registry as of the last update on 2010-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.