Doctor profile · Federal record

Dr. John Hayes, MD

Clinical Cardiac Electrophysiology Physician · Cardiovascular Disease Physician · Marshfield, WI

  • NPI 1972613420
  • MIPS 97.4 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 28, 2011
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Wisconsin #32007
Medicaid
WI #31719500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972613420. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17
Distinct HCPCS
1
Medicare allowed
$133
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 17 15 $8

In context: peer comparison

Among 2 peers in Marshfield Clinical Cardiac Electrophysiology Physician, average services per provider: 30. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
154
Patients
29
Total drug cost
$77,781
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 53 16 $48,160
Metoprolol Succinate Generic 33 13 $359
Multaq (Dronedarone Hcl) Brand 26 0 $28,148
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 18 0 $619
Amiodarone Hcl Generic 12 0 $193
Sotalol (Sotalol Hcl) Brand 12 0 $302

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hayes's medical specialty?
Dr. John Hayes practices Clinical Cardiac Electrophysiology Physician in Marshfield, WI.
Where does Dr. John Hayes practice?
Dr. John Hayes practices at 1000 N Oak Ave, Marshfield, WI 544495703. Office phone: 7153875511.
What is Dr. John Hayes's NPI?
Dr. John Hayes's National Provider Identifier (NPI) is 1972613420, issued by NPPES.
What procedures does Dr. John Hayes commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.