Namratha Reddy Vontela, M.D.
NPI 1619263852ActiveIndividual· Internal Medicine, Hematology & Oncology· Oak Ridge, TN
Internal Medicine, Hematology & Oncology (M.D.) with Thompson Oncology Group, practicing in Oak Ridge, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $1,448,502 for 1,154 claims, against $71,058 paid for services in 2024. Aveo Pharmaceuticals, Inc. reported $20.00 in payments in 2025, mostly education. Lists Fort Sanders Regional Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1619263852 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 27, 2011 |
| Last updated in NPPES | Aug 24, 2020 |
| Certified by provider | Aug 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 56301 | TN |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 25049 | MS |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 353 |
|---|---|
| Services billed | 1,839 across 20 procedure codes |
| Paid by Medicare | $71,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,154 · 1,510 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $1,448,502 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Thompson Oncology GroupKnoxville, TN · 65 clinicians
Hospital affiliations
- Fort Sanders Regional Medical CenterKnoxville, TN
- Methodist Medical Center of Oak RidgeOak Ridge, TN
- Parkwest Medical CenterKnoxville, TN
- Roane Medical CenterHarriman, TN
Industry payments (Open Payments)
- 2025$20.00 · 1 payment from 1 company
- 2024$41.78 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aveo Pharmaceuticals, Inc. | $20.00 | 1 |
What the 2025 payments were for
- Education$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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