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

Dr. Brock E. Polnaszek

Individual provider Maternal & Fetal Medicine Physician · NPI 1285163451

Dr. Brock E. Polnaszek is an Obstetrics/Gynecology in Milwaukee, Wisconsin. Qualified in 2017, 9 years ago. Practices with The Medical College of Wisconsin Inc, a 2,093-clinician group and accepts Medicare assignment. Licensed in Rhode Island and Wisconsin.

Years since qualifying
9
Licensed in
RI, WI
In the registry since
2017
Specialties on file
3

Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (401) 805-6624
Fax: (414) 805-9000
Show map & directions

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

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence 84385-20 (WI)
Maternal & Fetal Medicine Physician Taxonomy 207VM0101X · Licence MD17459 (RI)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 84385-20 (WI)

Record details

NPI number1285163451
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 9, 2017
Last updated in NPPESApril 29, 2025
Certification dateApril 29, 2025

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice The Medical College Of Wisconsin Inc — 2093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Milwaukee