Brenna Marie Tomczak, MD
NPI 1417418047ActiveIndividual· Emergency Medicine· Wauwatosa, WI
Emergency Medicine (MD) in Wauwatosa, Wisconsin, trained at Medical College of Wisconsin (class of 2019). Mostly services rather than prescriptions: Medicare paid $9,268 for 73 patients in 2024, with only 43 Part D claims.
Overview
| NPI | 1417418047 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2019 |
| Last updated in NPPES | Mar 12, 2023 |
| Certified by provider | Mar 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 75819-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 126 across 14 procedure codes |
| Paid by Medicare | $9,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 43 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $1,968 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Specialists SCFranklin, WI · 227 clinicians
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Ascension St Francis HospitalMilwaukee, WI
- Ascension Wisconsin Hosp Menomonee Falls CampusMenomonee Falls, WI
- Watertown Memorial HospitalWatertown, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 emergency medicine physicians in Wauwatosa · All emergency medicine physicians in Wisconsin