Doctor profile · Federal record

Dr. Brenna Tomczak, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Wauwatosa, WI

  • NPI 1417418047
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10625 W North Ave Ste 101B
Wauwatosa, WI 532262315
(414) 877-5350
fax (414) 877-5360

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
March 12, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #75819-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417418047. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
284
Distinct HCPCS
4
Medicare allowed
$23,550
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 139 111 $8
99285 Emergency department visit with high level of medical decision making 85 84 $163
99284 Emergency department visit with moderate level of medical decision making 38 38 $112
99291 Critical care, first 30-74 minutes 22 22 $199

In context: peer comparison

Among 5 peers in this city , average services per provider: 74. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
16
Total drug cost
$111
Drug Type Claims Patients Total cost
Cephalexin Generic 16 16 $111

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brenna Tomczak's medical specialty?
Dr. Brenna Tomczak practices Emergency Medicine Physician in Wauwatosa, WI.
Where does Dr. Brenna Tomczak practice?
Dr. Brenna Tomczak practices at 10625 W North Ave Ste 101B, Wauwatosa, WI 532262315. Office phone: 4148775350.
What is Dr. Brenna Tomczak's NPI?
Dr. Brenna Tomczak's National Provider Identifier (NPI) is 1417418047, issued by NPPES.
Does Dr. Brenna Tomczak accept Medicare assignment?
Yes. Dr. Brenna Tomczak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brenna Tomczak commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.