Ryan S. Grover, M.D.
NPI 1346251287ActiveIndividual· Radiology, Radiation Oncology· Crossville, TN
Radiology, Radiation Oncology (M.D.) in Crossville, Tennessee, trained at University of Southern California Keck School of Medicine (class of 2001). 226 Medicare patients in 2024, $1,624,578 paid; nearly all of their 265 Part D prescriptions were generic (98%). Boston Scientific Corporation reported $24.04 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1346251287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Nov 21, 2025 |
| Certified by provider | Nov 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 64645 | TN |
| Radiology, Radiation Oncology | 2085R0001X | A81474 | CA |
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 - Radiation Oncology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 226 |
|---|---|
| Services billed | 4,793 across 31 procedure codes |
| Paid by Medicare | $1,624,578 |
Part D prescriptions in 2024
| Prescriptions (claims) | 265 · 340 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $2,644 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Radiation Oncology |
Medical groups
- Thompson Oncology GroupKnoxville, TN · 65 clinicians
- East Tennessee Radiation Oncology, P.C.Crossville, TN · 7 clinicians
Hospital affiliations
- Cumberland Medical CenterCrossville, TN
- Fort Sanders Regional Medical CenterKnoxville, TN
- Parkwest Medical CenterKnoxville, TN
Industry payments (Open Payments)
- 2025$24.04 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $24.04 | 1 |
What the 2025 payments were for
- Food and Beverage$24.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records