Robert W. Kahan, MD
NPI 1790871671ActiveIndividual· Internal Medicine, Cardiovascular Disease· Torrington, CT
Internal Medicine, Cardiovascular Disease (MD) in Torrington, Connecticut, trained at Hahnemann University College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $880,195 for 4,034 claims, against $96,858 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $672.11 in all, mostly food and beverage.
Overview
| NPI | 1790871671 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Aug 23, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 029912 | 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 | 283 |
|---|---|
| Services billed | 1,403 across 24 procedure codes |
| Paid by Medicare | $96,858 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,034 · 9,391 30-day fills |
|---|---|
| Patients | 503 |
| Total drug cost | $880,195 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Trinity Health of New England Provider Network Organization IncHartford, CT · 653 clinicians
Hospital affiliations
- Saint Mary's HospitalWaterbury, CT
- St Francis Hospital & Medical CenterHartford, CT
Industry payments (Open Payments)
- 2025$672.11 · 33 payments from 10 companies
- 2024$1,020 · 37 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $215.97 | 11 |
| Novo Nordisk Inc | $139.30 | 8 |
| Pfizer Inc. | $60.00 | 3 |
| E.R. Squibb & Sons, L.L.C. | $59.96 | 3 |
| Amgen Inc. | $58.88 | 2 |
What the 2025 payments were for
- Food and Beverage$663.21 · 32 payments
- Education$8.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Cardiovascular Disease providers in Connecticut →