Tobenna Igweonu Nwizu, M.D.
NPI 1881879716ActiveIndividual· Internal Medicine, Hematology & Oncology· Rowlett, TX
Internal Medicine, Hematology & Oncology (M.D.) with Texas Oncology PA, practicing in Rowlett, Texas. Their prescriptions cost Medicare Part D more than their services did: $4,376,930 for 2,783 claims, against $1,861,823 paid for services in 2024. Adc Therapeutics America, Inc. was the largest of 33 companies reporting payments in 2025, $9,118 in all, mostly honoraria. Lists Baylor Scott & White Medical Center Plano and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1881879716 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 9, 2008 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | Q6352 | TX |
| Internal Medicine | 207R00000X | 036120500 | IL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 099327 | OH |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 117,195 across 154 procedure codes |
| Paid by Medicare | $1,861,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,783 · 4,444 30-day fills |
|---|---|
| Patients | 356 |
| Total drug cost | $4,376,930 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center PlanoPlano, TX
- Baylor Scott and White Medical Center Lake PointeRowlett, TX
- Hunt Regional Medical CenterGreenville, TX
- Methodist Richardson Medical CenterRichardson, TX
- Texas Health Presbyterian Hospital RockwallRockwall, TX
Industry payments (Open Payments)
- 2025$9,118 · 115 payments from 33 companies
- 2024$28,099 · 122 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Adc Therapeutics America, Inc. | $3,750 | 1 |
| Novartis Pharmaceuticals Corporation | $1,293 | 19 |
| Bayer Healthcare Pharmaceuticals Inc. | $1,283 | 1 |
| Astrazeneca Pharmaceuticals LP | $580.99 | 3 |
| Pfizer Inc. | $260.31 | 12 |
What the 2025 payments were for
- Honoraria$3,750 · 1 payment
- Food and Beverage$2,311 · 97 payments
- Consulting Fee$1,283 · 1 payment
- Long term medical supply or device loan$1,196 · 12 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$550.00 · 2 payments
- Education$27.67 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records