Kanagaratnam Jegathesan, MD
NPI 1497859409ActiveIndividual· Internal Medicine· Waterbury, CT
Internal Medicine (MD) with Trinity Health of New England Provider Network Organization Inc, practicing in Waterbury, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,162,766 for 10,936 claims, against $78,211 paid for services in 2024. Lilly USA, LLC was the largest of 14 companies reporting payments in 2025, $510.54 in all, mostly food and beverage. Lists Griffin Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1497859409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 11, 2006 |
| Last updated in NPPES | Mar 8, 2023 |
| Certified by provider | Mar 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 17004 | CT |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 170040 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 932 across 20 procedure codes |
| Paid by Medicare | $78,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,936 · 19,973 30-day fills |
|---|---|
| Patients | 594 |
| Total drug cost | $1,162,766 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1962 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
Medical group
- Trinity Health of New England Provider Network Organization IncHartford, CT · 653 clinicians
Hospital affiliations
- Griffin HospitalDerby, CT
- Saint Mary's HospitalWaterbury, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
- Trinity Health of New England at HomeHome health agency · Hartford, CT
- Uconn Health Community Network Home Health, Inc.Home health agency · Watertown, CT
- Accentcare Hospice & Palliative Care of ConecticutHospice · Middlebury, CT
- Apple Rehab WatertownNursing home · Watertown, CT
- Complete Care at GlendaleNursing home · Naugatuck, CT
Industry payments (Open Payments)
- 2025$510.54 · 22 payments from 14 companies
- 2024$561.96 · 26 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $133.10 | 6 |
| Novo Nordisk Inc | $70.18 | 3 |
| Abbott Laboratories | $48.86 | 2 |
| Astellas Pharma US Inc | $33.76 | 1 |
| Exact Sciences Corporation | $30.36 | 1 |
What the 2025 payments were for
- Food and Beverage$510.54 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 134 internal medicine physicians in Waterbury · All internal medicine physicians in Connecticut