John Kassotis, M.D.
NPI 1598759003ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Riverhead, NY
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Riverhead, New York, trained at Columbia University College of Physicians and Surgeons (class of 1990). In 2024 Medicare paid $159,620 for 765 patients, and Part D covered 130 of their prescriptions, 80% of them generic. Cvrx, Inc. was the largest of 4 companies reporting payments in 2025, $5,817 in all, mostly consulting fees.
Overview
| NPI | 1598759003 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 12, 2005 |
| Last updated in NPPES | Apr 7, 2023 |
| Certified by provider | Apr 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 187961-01 | NY |
| Internal Medicine, Advanced Heart Failure and Transplant Cardiology | 207RA0001X | 187961-01 | NY |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 187961-1 | NY |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 25MA07553100 | NJ |
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) (NJ); Practitioner - Cardiovascular Disease (Cardiology) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 765 |
|---|---|
| Services billed | 2,599 across 40 procedure codes |
| Paid by Medicare | $159,620 |
Part D prescriptions in 2024
| Prescriptions (claims) | 130 · 339 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $27,429 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Advanced Heart Failure And Transplant Cardiology, Cardiac Electrophysiology |
Medical group
- Peconic Cardiology PCHampton Bays, NY · 19 clinicians
Hospital affiliations
- Ns/Lij Hs Southside HospitalBay Shore, NY
- Peconic Bay Medical CenterRiverhead, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$5,817 · 10 payments from 4 companies
- 2024$26,557 · 36 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cvrx, Inc. | $5,705 | 7 |
| Medtronic, Inc. | $88.75 | 1 |
| Abbott Laboratories | $20.00 | 1 |
| Altathera Pharmaceuticals LLC | $3.23 | 1 |
What the 2025 payments were for
- Consulting Fee$5,600 · 6 payments
- Food and Beverage$216.61 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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