Doctor profile · Federal record

Dr. REGINA CHIU, M.D.

Cardiovascular Disease Physician (CMS: CARDIOVASCULAR DISEASE (CARDIOLOGY)) · O FALLON, IL

  • NPI 1043272693
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
THREE SAINT ELIZABETH BLVD STE 2800
O FALLON, IL 622691282
(618) 233-6044
fax (833) 973-4218

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
December 20, 2021
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Illinois #036118748

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043272693. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,329
Distinct HCPCS
10
Medicare allowed
$195,905
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 737 590 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 470 384 $127
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 319 317 $68
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 179 174 $14
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 165 65 $21
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 160 65 $30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 123 68 $81
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 118 118 $21
85610 Blood test, clotting time 117 12 $4
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 117 117 $14

In context: peer comparison

Among 7 peers in this city , average services per provider: 134. This provider delivers 25× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,839
Patients
1,197
Total drug cost
$561,326
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 620 192 $10,900
Lisinopril Generic 384 119 $3,350
Eliquis (Apixaban) Brand 370 71 $360,124
Amlodipine Besylate Generic 365 120 $4,235
Atorvastatin Calcium Generic 339 116 $5,285
Furosemide Generic 312 117 $2,403
Rosuvastatin Calcium Generic 249 86 $5,069
Losartan Potassium Generic 228 78 $4,034
Metoprolol Tartrate Generic 169 53 $1,609
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 153 44 $3,603

Hospital affiliations

CMS Hospital Compare