Brock E. Polnaszek
Maternal & Fetal Medicine Physician · Milwaukee, WI
Brock E. Polnaszek is a maternal & fetal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1285163451, issued on Jun 9, 2017. Check the license (Wisconsin 84385-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brock E. Polnaszek
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License numbers
- 84385-20 WI
MD17459 RI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (401) 805-6624
- Enumerated
- Jun 9, 2017
- Record last updated
- Apr 29, 2025
- Fax
- (414) 805-9000
- Medicaid ID
- 1285163451 WI
- Medicare enrollment
- Enrolled (PECOS I20241014001225); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 56 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Brock E. Polnaszek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 84385-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024
19 Medicare Part D claims, against an average of 41 among the 353 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncGermantown, WI
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brock E. Polnaszek among 56 maternal & fetal medicine physician records in Wisconsin
Brock E. Polnaszek is one of 56 maternal & fetal medicine physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 4% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2017 · median 2007 among the 40 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Wisconsin
There are 56 maternal & fetal medicine physician records in Wisconsin.
All 56 in Wisconsin → Every provider in Milwaukee → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Margaret Carr, MDWauwatosa, WI 532261053306126
- Zachary Colvin, D.O.Milwaukee, WI 532261730506015
- Meredith Cruz, M.D.Milwaukee, WI 532261154515849
- Menachem Graupe, MDWauwatosa, WI 532261518952563
- Patricia Heywood, MDWauwatosa, WI 532261548377161
- Randall Kuhlmann, MDMilwaukee, WI 532261306897145
- Jennifer McIntosh, D.O.Milwaukee, WI 532261578732897
- Anna Palatnik, M.D.Milwaukee, WI 532261790913820
Common questions
What is Brock E. Polnaszek's NPI number?
Brock E. Polnaszek's National Provider Identifier (NPI) is 1285163451, issued on Jun 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Brock E. Polnaszek located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (401) 805-6624. Providers update this record themselves, so call before visiting.
How can I verify Brock E. Polnaszek's license?
NPPES lists Wisconsin license number 84385-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brock E. Polnaszek prescribe under Medicare Part D?
In 2024, Brock E. Polnaszek had 19 Medicare Part D claims; the average among maternal & fetal medicine physician prescribers was 41. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.