Fadi Ismail Abu-Shahin, MD
NPI 1215123971ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX
Internal Medicine, Medical Oncology (MD) with Tmh Physician Associates PLLC and 1 other group, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,661,940 for 1,288 claims, against $59,526 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2025, $170.72 in all, mostly food and beverage. Lists Houston Methodist Cypress Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1215123971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 17, 2007 |
| Last updated in NPPES | Dec 2, 2025 |
| Certified by provider | Dec 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | R7364 | TX |
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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 259 |
|---|---|
| Services billed | 532 across 11 procedure codes |
| Paid by Medicare | $59,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,288 · 1,950 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $1,661,940 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Medical Oncology |
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 the Woodlands HospitalThe Woodlands, TX
- Houston Methodist West HospitalHouston, TX
- Houston Methodist Willowbrook HospitalHouston, TX
- Ut of Texas Southwestern University Hospital - William P. Clements Jr.Dallas, TX
Industry payments (Open Payments)
- 2025$170.72 · 7 payments from 5 companies
- 2024$238.87 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $81.13 | 3 |
| Daiichi Sankyo Inc. | $28.21 | 1 |
| Merck Sharp & Dohme LLC | $23.90 | 1 |
| Array Biopharma Inc | $19.25 | 1 |
| Gilead Sciences, Inc. | $18.23 | 1 |
What the 2025 payments were for
- Food and Beverage$170.72 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Houston
- 1144581067
- 1659324093
- 1427067479
- 1023189685
- 1962419804
- 1134233224
- 1518227735
- 1205097599
- 1285846790
- 1124107156
- 1518059898
- 1356796833
All Internal Medicine, Medical Oncology providers in Texas →