Doctor profile · Federal record

Dr. MARK HISER, M.D.

Cardiovascular Disease Physician (CMS: CARDIAC ELECTROPHYSIOLOGY) · Clinical Cardiac Electrophysiology Physician · Interventional Cardiology Physician · Body Imaging Physician · Diagnostic Ultrasound Physician · ROCKFORD, IL

  • NPI 1538184924
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
444 ROXBURY ROAD
ROCKFORD, IL 611075059
(815) 398-3000
fax (815) 398-3041
Mailing address
PO BOX 6003
ROCKFORD, IL 611266003

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 11, 2009
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Illinois #36055207
Medicaid
IL #036055207 1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538184924. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,433
Distinct HCPCS
10
Medicare allowed
$35,551
HCPCS Description Services Patients Avg allowed
93793 Anticoagulant management of patient taking warfarin 707 360 $11
85610 Blood test, clotting time 243 29 $4
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 89 54 $21
99214 Established patient office or other outpatient visit, 30-39 minutes 70 58 $123
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 63 39 $29
G0250 Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent 53 11 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 47 41 $87
36415 Insertion of needle into vein for collection of blood sample 37 29 $8
G2066 Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec 36 19 $65
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 26 16 $36

In context: peer comparison

Among 6 peers in this city , average services per provider: 140. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,655
Patients
537
Total drug cost
$414,386
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 210 70 $4,345
Xarelto (Rivaroxaban) Brand 159 47 $197,942
Atorvastatin Calcium Generic 146 48 $1,979
Warfarin Sodium Generic 144 48 $2,304
Eliquis (Apixaban) Brand 140 43 $191,261
Furosemide Generic 118 43 $964
Losartan Potassium Generic 111 35 $1,568
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 107 29 $3,419
Amiodarone Hcl Generic 92 30 $1,285
Metoprolol Tartrate Generic 79 26 $955

Hospital affiliations

CMS Hospital Compare