Doctor profile · Federal record

Dr. Nathaniel Brown, M.D.

Emergency Medicine Physician · Milwaukee, WI

  • NPI 1912297185
  • MIPS 92.8 / 100 · 2023
  • 15 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
111 E Wisconsin Ave, Suite 2000
Milwaukee, WI 532024815
(414) 290-6720
fax (414) 290-6755
Additional location
430 E Division St
Fond du LAC, WI 549354560
(920) 926-4600
fax (920) 926-4875

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
June 7, 2022
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #57507-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912297185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
323
Distinct HCPCS
4
Medicare allowed
$36,530
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 123 123 $163
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 97 89 $8
99284 Emergency department visit with moderate level of medical decision making 57 57 $114
99291 Critical care, first 30-74 minutes 46 46 $201

In context: peer comparison

Among 117 peers in this city , average services per provider: 82. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
53
Total drug cost
$677
Drug Type Claims Patients Total cost
Prednisone Generic 20 18 $40
Ondansetron Odt (Ondansetron) Brand 19 19 $147
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 16 $490

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Brown's medical specialty?
Dr. Nathaniel Brown practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. Nathaniel Brown practice?
Dr. Nathaniel Brown practices at 111 E Wisconsin Ave, Milwaukee, WI 532024815. Office phone: 4142906720.
What is Dr. Nathaniel Brown's NPI?
Dr. Nathaniel Brown's National Provider Identifier (NPI) is 1912297185, issued by NPPES.
What procedures does Dr. Nathaniel Brown commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.