Doctor profile · Federal record

Dr. Marc Atzenhoefer, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Milwaukee, WI

  • NPI 1740676956
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-6000
fax (414) 805-6280

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
September 5, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Wisconsin #66152-20
Medicaid
WI #1740676956

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740676956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,122
Distinct HCPCS
10
Medicare allowed
$90,164
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 779 575 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 224 224 $66
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 179 166 $14
75574 Ct scan of blood vessels and grafts of heart with contrast 130 129 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 90 68 $122
93308 Ultrasound of heart, follow-up 79 74 $24
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 79 75 $3
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 78 78 $74
93321 Ultrasound of heart blood flow, valves and chambers, follow-up 61 57 $7
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 53 53 $21

In context: peer comparison

Among 36 peers in this city , average services per provider: 152. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,186
Transactions
24
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 10 $876.73
HEARTFLOW, INC. 3 $70.31
Amgen Inc. 2 $44.44
Novo Nordisk Inc 2 $43.91
AstraZeneca Pharmaceuticals LP 2 $38.30
Alnylam Pharmaceuticals Inc. 1 $34.10
CVRx, Inc. 2 $31.71
Boston Scientific Corporation 1 $28.36
PFIZER INC. 1 $17.80

By nature of payment

Food and Beverage
$1,176
Travel and Lodging
$10

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,301
Patients
942
Total drug cost
$367,838
Drug Type Claims Patients Total cost
Metoprolol Tartrate Generic 295 259 $637
Atorvastatin Calcium Generic 294 91 $6,130
Metoprolol Succinate Generic 200 74 $5,360
Rosuvastatin Calcium Generic 188 61 $6,509
Spironolactone Generic 175 61 $2,011
Bumetanide Generic 162 70 $10,420
Carvedilol Generic 156 36 $1,959
Jardiance (Empagliflozin) Brand 139 42 $166,614
Eliquis (Apixaban) Brand 129 37 $159,961
Furosemide Generic 129 55 $874

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Atzenhoefer's medical specialty?
Dr. Marc Atzenhoefer practices Cardiovascular Disease Physician in Milwaukee, WI.
Where does Dr. Marc Atzenhoefer practice?
Dr. Marc Atzenhoefer practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148056000.
What is Dr. Marc Atzenhoefer's NPI?
Dr. Marc Atzenhoefer's National Provider Identifier (NPI) is 1740676956, issued by NPPES.
Does Dr. Marc Atzenhoefer accept Medicare assignment?
Yes. Dr. Marc Atzenhoefer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Atzenhoefer commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.