Doctor profile · Federal record

Dr. George Antonopoulos, M.D

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Middlebury, CT

  • NPI 1457419814
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1625 Straits Turnpike, Suite 209
Middlebury, CT 06762
(203) 758-9100

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 14, 2009
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Connecticut #042450
Medicaid
CT #001424506

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457419814. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,744
Distinct HCPCS
10
Medicare allowed
$827,913
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 1,318 573 $15
99214 Established patient office or other outpatient visit, 30-39 minutes 1,211 546 $134
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 557 512 $204
J2785 Injection, regadenoson, 0.1 mg 412 103 $54
93224 Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 316 306 $73
A9500 Technetium tc-99m sestamibi, diagnostic, per study dose 310 155 $117
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 277 273 $26
93229 Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 276 273 $916
93880 Ultrasound of both sides of head and neck blood flow 257 252 $206
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 157 157 $66

In context: peer comparison

Among 1 peers in Middlebury Cardiovascular Disease Physician, average services per provider: 220. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,158
Transactions
10
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bard Peripheral Vascular, INC. 9 $1,132.08
Heartflow, INC. 1 $26.12

By nature of payment

Travel and Lodging
$772
Food and Beverage
$386

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,368
Patients
509
Total drug cost
$245,705
Drug Type Claims Patients Total cost
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 262 71 $3,035
Metoprolol Succinate Generic 176 61 $2,240
Eliquis (Apixaban) Brand 148 46 $130,843
Nitroglycerin Generic 110 81 $1,631
Furosemide Generic 100 38 $502
Atorvastatin Calcium Generic 81 36 $1,503
Carvedilol Generic 73 26 $895
Amlodipine Besylate Generic 69 28 $760
Losartan Potassium Generic 69 22 $745
Xarelto (Rivaroxaban) Brand 57 16 $50,113

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. George Antonopoulos's medical specialty?
Dr. George Antonopoulos practices Cardiovascular Disease Physician in Middlebury, CT.
Where does Dr. George Antonopoulos practice?
Dr. George Antonopoulos practices at 1625 Straits Turnpike, Middlebury, CT 06762. Office phone: 2037589100.
What is Dr. George Antonopoulos's NPI?
Dr. George Antonopoulos's National Provider Identifier (NPI) is 1457419814, issued by NPPES.
Does Dr. George Antonopoulos accept Medicare assignment?
Yes. Dr. George Antonopoulos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Antonopoulos commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.