Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Margaret M. Leonhardt, MD

Individual provider Family Medicine Physician · NPI 1538153416

Margaret M. Leonhardt, MD is a Family Medicine Physician in New Berlin, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

12901 W National Ave
New Berlin, WI 53151-4063
Phone: (262) 782-7770
Fax: (262) 785-6422
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 25980 (WI)

Record details

NPI number1538153416
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2005
Last updated in NPPESDecember 27, 2010

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