Dr. George V. Antonopoulos, MD
- Medicare services, 2024
- 6,392
- Medicare patients, 2024
- 602
- Part D claims, 2024
- 2,142
- MIPS score, 2024
- 25
- Hospital affiliations
- 3
- Practice address
- 1625 Straits Tpke, Middlebury, CT 06762-1836
- Practice phone
- Call (203) 758-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Naugatuck Valley Cardiovascular Associates
Multi-specialty group site · Middlebury, Connecticut
Find Dr. Antonopoulos' professional email, personal email and mobile number
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Dr. George V. Antonopoulos is a cardiologist in Middlebury, Connecticut
Dr. Antonopoulos practices at Naugatuck Valley Cardiovascular Associates in Middlebury, Connecticut.
Dr. Antonopoulos' NPI, 1457419814, was assigned on December 5, 2006. Dr. Antonopoulos graduated from University of Maryland School of Medicine in 1997. Dr. Antonopoulos holds Connecticut license 042450.
- NPI
- 1457419814NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961489919
- NPI enumeration date
- December 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 758-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George V. Antonopoulos practices at Naugatuck Valley Cardiovascular Associates in Middlebury, Connecticut
Dr. Antonopoulos' primary practice is Naugatuck Valley Cardiovascular Associates, at 1625 Straits Tpke, Middlebury, CT 06762-1836. The practice phone is (203) 758-9400.
- Naugatuck Valley Cardiovascular Associates1625 Straits Tpke, Middlebury, CT 06762-1836Phone(203) 758-9400
Source: Dmand AI Affiliation Data
Dr. George V. Antonopoulos is affiliated with 4 sites of care and 2 medical groups
Dr. Antonopoulos' primary practice is Naugatuck Valley Cardiovascular Associates in Middlebury, Connecticut. Dr. Antonopoulos is also affiliated with Northwell Danbury Hospital. The medical group on file is Naugatuck Valley Cardiovascular Associates. Dmand AI also links Dr. Antonopoulos to 2 more hospitals and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. George V. Antonopoulos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Antonopoulos practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Naugatuck Valley Cardiovascular Associates | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. George V. Antonopoulos is one of 423 cardiologists in Connecticut
Cardiovascular disease is Dr. Antonopoulos' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Antonopoulos is licensed in Connecticut.
Specialties and state licenses
- Cardiovascular disease, ConnecticutPrimary
Cardiologists near Dr. Antonopoulos
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. George V. Antonopoulos billed Medicare for 6,392 services in 2024
CMS data shows 6,392 Medicare services from Dr. Antonopoulos across 26 procedure codes in 2024, for 602 Medicare patients. Medicare paid $608,950 for them.
Dr. Antonopoulos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,4082024: 3,5966%
- Office and hospital visits
- 2023: 1,4252024: 1,3118%
- Other services
- 2023: 3102024: 859177%
- Drugs given in the office
- 2023: 4452024: 4481%
- Imaging
- 2023: 1562024: 17814%
Where Dr. Antonopoulos' Medicare services took place, 2024
- In an office6,34399%
- In a facility491%
Dr. Antonopoulos compared with the Connecticut median for cardiologists, 2024
- Dr. Antonopoulos
- Connecticut median
- Medicare services
- 6,392vs 1,3584.7 times
- Medicare patients
- 602vs 68011% below
- Part D claims
- 1,966vs 1,57325% above
Medians across 415 cardiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Antonopoulos' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Antonopoulos and other cardiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. George V. Antonopoulos treated 602 Medicare patients in 2024, average age 75
CMS counts 602 Medicare patients who saw Dr. Antonopoulos in 2024. The largest group is 75 to 84, with 232 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Antonopoulos' median patient age at 72, with 50% women.
Dr. Antonopoulos' Medicare patients by age, 2024
Dr. Antonopoulos' Medicare patients by sex, 2024
- Women33656%
- Men26644%
Chronic conditions among Dr. Antonopoulos' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease38%
- Atrial fibrillation35%
- Diabetes32%
- Anxiety28%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Antonopoulos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. George V. Antonopoulos wrote 2,142 Medicare Part D claims in 2024
In 2024, Dr. Antonopoulos wrote 2,142 Medicare Part D claims for 472 patients. 81% of them were for generic drugs. CMS names the drug for 1,966 of them, across 26 drugs with 11 or more claims each, at $294,466 in total drug cost. In 2023, CMS named 1,512 claims across 22 drugs.
Dr. Antonopoulos' Part D claims by kind of drug, 2024
- Generic1,732 claims81%
- Brand-name and other410 claims19%
Dr. Antonopoulos' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5122024: 1,96630%
Drugs named by CMS: 26 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. George V. Antonopoulos scored 25 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 25 out of 100 for Dr. Antonopoulos for performance year 2024, reported individually. Dr. Antonopoulos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Antonopoulos' MIPS scores, performance year 2024
- 25of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. George V. Antonopoulos received $77,238 in industry payments from 2016 to 2025
CMS Open Payments shows 344 general payments to Dr. Antonopoulos from 29 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 83% of the total. Gilead Sciences, Inc. paid the most, $36,431.
General payments to Dr. Antonopoulos by program year, 2016 to 2025
General payments to Dr. Antonopoulos by kind, 2016 to 2025
- Speaker and faculty fees$63,78683%
- Food and beverage$8,08410%
- Travel and lodging$5,2227%
- Education$1470%
Companies that paid Dr. Antonopoulos the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. George V. Antonopoulos graduated from University of Maryland School of Medicine
Dr. Antonopoulos graduated from University of Maryland School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. George V. Antonopoulos's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. George V. Antonopoulos
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. George V. Antonopoulos' NPI number?
Dr. George V. Antonopoulos' NPI number is 1457419814. It was assigned on December 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George V. Antonopoulos?
Dr. George V. Antonopoulos is a cardiologist in Middlebury, Connecticut. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. George V. Antonopoulos practice?
Dr. Antonopoulos practices at 1625 Straits Tpke, Middlebury, CT 06762-1836. Dr. Antonopoulos' primary practice is Naugatuck Valley Cardiovascular Associates in Middlebury, Connecticut. Dmand AI also links Dr. Antonopoulos to 2 hospitals and 1 medical group.
What is Dr. George V. Antonopoulos' office phone number?
The practice phone on file for Dr. Antonopoulos is (203) 758-9400.
What is Dr. George V. Antonopoulos' medical license number?
Dr. Antonopoulos holds Connecticut license 042450.
Which hospitals is Dr. George V. Antonopoulos affiliated with?
Dr. Antonopoulos is affiliated with Northwell Danbury Hospital. Dmand AI links Dr. Antonopoulos to 2 more hospitals.
What medical group is Dr. George V. Antonopoulos part of?
Dr. Antonopoulos is linked to Naugatuck Valley Cardiovascular Associates. Dmand AI links Dr. Antonopoulos to 1 more medical group.
Does Dr. George V. Antonopoulos accept Medicare?
Yes. CMS data shows Dr. Antonopoulos billed Medicare for 6,392 services in 2024, and Dr. Antonopoulos accepts Medicare assignment.
What is Dr. George V. Antonopoulos' MIPS score?
Dr. Antonopoulos' MIPS final score for performance year 2024 is 25 out of 100, reported individually.
How many Medicare patients does Dr. George V. Antonopoulos see?
CMS counts 602 Medicare patients who saw Dr. Antonopoulos in 2024, with an average age of 75.
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What services does Dr. George V. Antonopoulos bill to Medicare?
In 2024, Dr. Antonopoulos' most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. George V. Antonopoulos go to medical school?
Dr. Antonopoulos graduated from University of Maryland School of Medicine in 1997.
What drugs does Dr. George V. Antonopoulos prescribe most?
In 2024 Medicare Part D data, Dr. Antonopoulos' most prescribed drugs by claims were Isosorbide Mononitrate ER, Metoprolol Succinate and Eliquis.
Has Dr. George V. Antonopoulos received payments from drug or device companies?
CMS Open Payments shows $77,238 in general payments to Dr. Antonopoulos from 29 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. George V. Antonopoulos been practicing?
Dr. Antonopoulos graduated from medical school in 1997, 29 years ago.
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