Doctor profile · Federal record

Dr. Michael Armstrong, MD

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

  • NPI 1336191162
  • Accepts Medicare
  • MIPS 95.5 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3237 S 16Th St
Milwaukee, WI 532154526
(414) 527-8728
Mailing address
7071 S 13Th St, Ste 104
Oak Creek, WI 531541466

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 16, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #36877-020
Medicaid (2)
WI #33321600 · WA #8464299

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336191162. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
709
Distinct HCPCS
9
Medicare allowed
$93,526
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 168 166 $118
99285 Emergency department visit with high level of medical decision making 166 162 $172
99291 Critical care, first 30-74 minutes 132 130 $209
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 86 86 $7
99292 Critical care, each additional 30 minutes 61 41 $105
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 48 48 $171
99283 Emergency department visit with low level of medical decision making 20 20 $70
12002 Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.6-7.5 cm 15 15 $57
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 13 13 $12

In context: peer comparison

Among 117 peers in Milwaukee Emergency Medicine Physician, average services per provider: 82. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
175
Patients
173
Total drug cost
$1,058
Drug Type Claims Patients Total cost
Cephalexin Generic 51 51 $572
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 45 45 $192
Naproxen Generic 38 37 $166
Ondansetron Hcl Generic 28 28 $102
Prednisone Generic 13 12 $26

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Armstrong's medical specialty?
Dr. Michael Armstrong practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. Michael Armstrong practice?
Dr. Michael Armstrong practices at 3237 S 16Th St, Milwaukee, WI 532154526. Office phone: 4145278728.
What is Dr. Michael Armstrong's NPI?
Dr. Michael Armstrong's National Provider Identifier (NPI) is 1336191162, issued by NPPES.
Does Dr. Michael Armstrong accept Medicare assignment?
Yes. Dr. Michael Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.