Brock Polnaszek
NPI 1285163451 · Maternal & Fetal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brock Polnaszek is a Maternal & Fetal Medicine Physician provider in Milwaukee, WI (NPI 1285163451).
Provider details
- NPI number
- 1285163451
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD17459 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-09
- Last updated
- 2025-04-29
- Certified
- 2025-04-29
Frequently asked questions
- What is Brock Polnaszek's NPI number?
- Brock Polnaszek's National Provider Identifier (NPI) is 1285163451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brock Polnaszek's specialty?
- Brock Polnaszek is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brock Polnaszek located?
- Brock Polnaszek's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Brock Polnaszek's phone number?
- The practice phone number listed in the NPPES registry for Brock Polnaszek is (401) 805-6624.
- Does Brock Polnaszek accept Medicare?
- Brock Polnaszek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brock Polnaszek's NPI active?
- Yes — Brock Polnaszek's NPI (1285163451) is active in the NPPES registry as of the last update on 2025-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.