Doctor profile · Federal record

Dr. Nicholas Armstrong, MD

Surgery Physician (CMS: General Surgery) · Cudahy, WI

  • NPI 1457329534
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5900 S. Lake Drive
Cudahy, WI 531103171
(414) 489-4190
fax (414) 489-4015
Mailing address
100 15Th Ave, #180
South Milwaukee, WI 531721160

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
February 22, 2022
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Wisconsin #35530-20
Medicaid
WI #32041000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457329534. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
7
Medicare allowed
$34,983
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 37 35 $117
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $149
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 18 14 $74
49618 Repair of recurrent entrapped hernia of abdomen, more than 10 cm in length 15 15 $1,237
49650 Repair of groin hernia using an endoscope 13 13 $337
99215 Established patient office or other outpatient visit, 40-54 minutes 13 12 $169
11043 Removal of muscle and/or tissue, 20.0 sq cm or less 12 11 $76

In context: peer comparison

Among 1 peers in this city , average services per provider: 18. This provider delivers 7.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
14
Total drug cost
$101
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Armstrong's medical specialty?
Dr. Nicholas Armstrong practices Surgery Physician in Cudahy, WI.
Where does Dr. Nicholas Armstrong practice?
Dr. Nicholas Armstrong practices at 5900 S. Lake Drive, Cudahy, WI 531103171. Office phone: 4144894190.
What is Dr. Nicholas Armstrong's NPI?
Dr. Nicholas Armstrong's National Provider Identifier (NPI) is 1457329534, issued by NPPES.
Does Dr. Nicholas Armstrong accept Medicare assignment?
Yes. Dr. Nicholas Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.