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

Mary Kosterman, NP

Individual provider Family Nurse Practitioner · NPI 1386408599

Mary Kosterman, NP is a Family Nurse Practitioner in South Milwaukee, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2024.

Licensed in
WI
In the registry since
2024
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

2424 15th Ave
South Milwaukee, WI 53172-2410
Phone: (414) 768-8055
Fax: (414) 768-5720
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 5366-33 (WI)

Record details

NPI number1386408599
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 8, 2024
Last updated in NPPESFebruary 8, 2024
Certification dateFebruary 8, 2024

Other providers in South Milwaukee