Joseph Gnanaraj, M..
NPI 1720262736ActiveIndividual· Internal Medicine, Cardiovascular Disease· Derby, CT
Internal Medicine, Cardiovascular Disease (M..) with Trinity Health of New England Provider Network Organization Inc, practicing in Derby, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $2,344,266 for 9,165 claims, against $182,986 paid for services in 2024. Abbott Laboratories was the largest of 4 companies reporting payments in 2025, $218.97 in all, mostly food and beverage. Lists Griffin Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1720262736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.. |
| Sole proprietor | No |
| NPI issued | Dec 27, 2007 |
| Last updated in NPPES | Nov 29, 2021 |
| Certified by provider | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 46075 | CT |
| Internal Medicine | 207R00000X | 046075 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,437 |
|---|---|
| Services billed | 3,831 across 50 procedure codes |
| Paid by Medicare | $182,986 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,165 · 23,456 30-day fills |
|---|---|
| Patients | 1,024 |
| Total drug cost | $2,344,266 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Trinity Health of New England Provider Network Organization IncHartford, CT · 653 clinicians
Hospital affiliations
- Griffin HospitalDerby, CT
- Johnson Memorial HospitalStafford Springs, CT
- Saint Mary's HospitalWaterbury, CT
- St Francis Hospital & Medical CenterHartford, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$218.97 · 6 payments from 4 companies
- 2024$146.44 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $110.43 | 1 |
| Novo Nordisk Inc | $59.56 | 3 |
| E.R. Squibb & Sons, L.L.C. | $30.68 | 1 |
| Novartis Pharmaceuticals Corporation | $18.30 | 1 |
What the 2025 payments were for
- Food and Beverage$218.97 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Derby
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All Internal Medicine, Cardiovascular Disease providers in Connecticut →