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

Maggie Gierahn

Individual provider Physician Assistant · NPI 1447746896

Maggie Gierahn is a Physician Assistant in Milwaukee, Wisconsin. Qualified in 2018, 8 years ago. Practices with Columbia St Marys Hospital Milwaukee Inc, a 314-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
8
Licensed in
WI
In the registry since
2018

Practice location Address checks out

2350 N Lake Dr Ste 201
Milwaukee, WI 53211-4528
Phone: (414) 298-7133
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 4395 (WI)

Record details

NPI number1447746896
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 9, 2018
Last updated in NPPESJanuary 22, 2022
Certification dateJanuary 22, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Columbia St Marys Hospital Milwaukee Inc — 314 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Milwaukee