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

Individual provider Neonatal Nurse Practitioner · NPI 1992319065

Mariia Steffeny is a Neonatal Nurse Practitioner in Milwaukee, Wisconsin. Works from 3 locations. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2020
Specialties on file
2
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Practice location Address checks out

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone: (414) 266-6820
Fax: (414) 266-6979
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 8915 W Connell Ave, Milwaukee, WI 53226-3067 — (414) 266-2000
  • 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522 — (414) 805-5800

Specialties & licences

Critical Care Neonatal Nurse Practitioner (primary) Taxonomy 363LN0005X · Licence 10396-33 (WI)
Neonatal Nurse Practitioner Taxonomy 363LN0000X · Licence 237189-30 (WI)

Record details

NPI number1992319065
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 4, 2020
Last updated in NPPESApril 8, 2024
Certification dateApril 8, 2024
Mailing address13111 N Port Washington Rd, Mequon, WI 53097-2416

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