Kenneth I. Ataga, MD
Internal Medicine, Hematology & Oncology (MD) with Ut Regional One Physicians Inc and 1 other group, practicing in Memphis, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $425,448 for 133 claims, against $2,857 paid for services in 2024. Vertex Pharmaceuticals Incorporated was the largest of 8 companies reporting payments in 2025, $43,453 in all, mostly consulting fees. Lists Methodist Hospitals of Memphis and 1 other hospital as hospital affiliations.
Overview
| NPI | 1306886825 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Apr 20, 2026 |
| Certified by provider | Apr 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 57803 | TN |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 9700849 | NC |
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 | 15 |
|---|---|
| Services billed | 42 across 7 procedure codes |
| Paid by Medicare | $2,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 133 · 154 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $425,448 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical groups
- Ut Regional One Physicians IncMemphis, TN · 324 clinicians
- Ut Methodist Physicians LLCMemphis, TN · 127 clinicians
Hospital affiliations
- Methodist Hospitals of MemphisMemphis, TN
- Regional One HealthMemphis, TN
Industry payments (Open Payments)
- 2025$43,453 · 34 payments from 8 companies
- 2024$44,047 · 21 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $14,453 | 19 |
| Octapharma USA, Inc. | $13,537 | 5 |
| Novo Nordisk Inc | $5,240 | 2 |
| Pfizer Inc. | $3,800 | 1 |
| Novo Nordisk As | $3,766 | 3 |
What the 2025 payments were for
- Consulting Fee$23,459 · 20 payments
- Travel and Lodging$16,636 · 8 payments
- Honoraria$3,000 · 1 payment
- Food and Beverage$357.82 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Memphis
- 1710014345
- 1144504457
- 1437374907
- 1710945795
- 1013211416
- 1437163383
- 1275605636
- 1477270312
- 1801602271
- 1295354926
- 1184063778
- 1659745420
All Internal Medicine, Hematology & Oncology providers in Tennessee →