Nathan I. Visweshwar, M.D.
NPI 1033214325ActiveIndividual· Internal Medicine, Hematology & Oncology· Tampa, FL
Internal Medicine, Hematology & Oncology (M.D.) with Baptist Health Medical Group Inc, practicing in Tampa, Florida. In 2024 Medicare paid $2,591,832 for 206 patients, and Part D covered 267 of their prescriptions, 51% of them generic. Atricure, Inc. reported $93.92 in payments in 2025, mostly food and beverage. Lists Baptist Health Paducah and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033214325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Oct 26, 2026 |
| Certified by provider | Oct 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | ME97021 | FL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | C5261 | KY |
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 - Hematology/Oncology (KY); Practitioner - Hematology/Oncology (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 712,615 across 19 procedure codes |
| Paid by Medicare | $2,591,832 |
Part D prescriptions in 2024
| Prescriptions (claims) | 267 · 446 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $1,146,740 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Baptist Health Medical Group IncMadison, IN · 2,472 clinicians
Hospital affiliations
- Baptist Health PaducahPaducah, KY
- Wheeling Hospital, IncWheeling, WV
Industry payments (Open Payments)
- 2025$93.92 · 1 payment from 1 company
- 2024$3,892 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $93.92 | 1 |
What the 2025 payments were for
- Food and Beverage$93.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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