Chinemerem Fred Abanonu, MD
NPI 1396972659ActiveIndividual· Internal Medicine, Medical Oncology· Katy, TX
Internal Medicine, Medical Oncology (MD) in Katy, Texas, trained at University of Minnesota Medical School (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $3,265,617 for 1,347 claims, against $48,526 paid for services in 2024. Pfizer Inc. was the largest of 20 companies reporting payments in 2025, $992.43 in all, mostly food and beverage.
Overview
| NPI | 1396972659 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2009 |
| Last updated in NPPES | Jan 30, 2026 |
| Certified by provider | Jan 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | S8945 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | S8945 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 15981 | NV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 492 across 10 procedure codes |
| Paid by Medicare | $48,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,347 · 2,228 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $3,265,617 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
- Houston Methodist Specialty PhysiciansHouston, TX · 1,528 clinicians
Hospital affiliations
- Houston Methodist Cypress HospitalCypress, TX
- Houston Methodist HospitalHouston, TX
- Houston Methodist Sugarland HospitalSugar Land, TX
- Houston Methodist West HospitalHouston, TX
Industry payments (Open Payments)
- 2025$992.43 · 38 payments from 20 companies
- 2024$904.73 · 36 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $206.20 | 8 |
| Astrazeneca Pharmaceuticals LP | $133.69 | 3 |
| Janssen Biotech, Inc. | $71.93 | 3 |
| Eisai Inc. | $66.76 | 2 |
| Celgene Corporation | $59.40 | 2 |
What the 2025 payments were for
- Food and Beverage$992.43 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Katy
- 1124951629
- 1023088853
- 1619947421
All Internal Medicine, Medical Oncology providers in Texas →