NAUGATUCK VALLEY CARDIOVASCULAR ASSOCIATES
NPI 1881721900
Internal Medicine - Cardiovascular Disease in Middlebury, CT

Active since February 27, 2007CLIA 07D1068716 · Waiver
1625 STRAITS TPKE, SUITE 209, MIDDLEBURY, CT 06762(203) 758-9100 Get Directions Write a Review

NPPES record last updated: November 2, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Naugatuck Valley Cardiovascular Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NAUGATUCK VALLEY CARDIOVASCULAR ASSOCIATES (NPI 1881721900) is a healthcare organization registered as a cardiovascular disease in Middlebury, Connecticut and active in the NPI registry since February 2007. The organization holds a CLIA Waiver certificate valid through May 17, 2027 and lists George Antonopoulos, Owner, as its authorized official.

NPPES Registry Identity

NPI1881721900
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameNAUGATUCK VALLEY CARDIOVASCULAR ASSOCIATES
Location Address1625 STRAITS TPKE, SUITE 209Middlebury, CT 06762-1836
Mailing Address1625 Straits Tpke, Suite 209Middlebury, CT 06762-1836 · (203) 758-9100 · Fax (203) 758-9400
Organization SubpartNo
Authorized OfficialGeorge AntonopoulosOwner · (203) 758-9100
Enumeration DateFebruary 27, 2007
Last NPPES UpdateNovember 2, 2015
✔ NPI 1881721900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 6868 (CT)
1625 STRAITS TPKE, Middlebury, CT 06762

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Naugatuck Valley Cardiovascular Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Naugatuck Valley Cardiovascular Associates, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Cardiovascular Disease (Cardiology)
NPI 1457419814
1625 STRAITS TURNPIKE SUITE 209
Middlebury, CT 06762
(203) 758-9100
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1245398619
1625 STRAITS TPKE SUITE 209
Middlebury, CT 06762
(203) 758-9100
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1013367515
1625 STRAITS TPKE STE 209
Middlebury, CT 06762
(203) 758-9100
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1275806390
22 OLD WATERBURY RD SUITE 203
Southbury, CT 06488
(203) 262-4220
✔ PECOS✔ Accepts Medicare7.9 mi
Nurse Practitioner
NPI 1316103542
800 HOWARD AVE
New Haven, CT 06519
(203) 785-7191
✔ PECOS✔ Accepts Medicare19 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 07D1068716

Naugatuck Valley Cardiovascular Assoc · Middlebury, CT
Active · expires May 17, 2027
CLIA Number07D1068716
Laboratory TypePhysician Office
Certificate Effective DateMay 18, 2025
Certificate Expiration DateMay 17, 2027
Laboratory DirectorGeorge V. Antonopoulas
Laboratory Phone(860) 283-2880
Laboratory LocationNaugatuck Valley Cardiovascular Assoc1625 Straits Tpke 209, Middlebury, CT 06762
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Naugatuck Valley Cardiovascular Associates's NPI number?

The NPI number for Naugatuck Valley Cardiovascular Associates is 1881721900. It was assigned to this organization in the NPPES registry on February 27, 2007.

Where is Naugatuck Valley Cardiovascular Associates located?

Naugatuck Valley Cardiovascular Associates is located at 1625 Straits Tpke Suite 209, Middlebury, CT 06762. The listed phone number is (203) 758-9100.

What is Naugatuck Valley Cardiovascular Associates's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Naugatuck Valley Cardiovascular Associates enrolled in Medicare?

Yes. Naugatuck Valley Cardiovascular Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Naugatuck Valley Cardiovascular Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Naugatuck Valley Cardiovascular Associates. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Cardiovascular Disease (Cardiology) (3) and Nurse Practitioner (2). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Naugatuck Valley Cardiovascular Associates hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 07D1068716) is associated with this NPI, valid through May 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Naugatuck Valley Cardiovascular Associates accept?

Health plans from Anthem Blue Cross and Blue Shield list Naugatuck Valley Cardiovascular Associates as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Naugatuck Valley Cardiovascular Associates was last updated on November 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.