Issam Abdelkarim Hussein Alawin, MBBS, MD
NPI 1295040806ActiveIndividual· Internal Medicine, Hematology & Oncology· Houston, TX
Internal Medicine, Hematology & Oncology (MBBS, 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: $1,545,257 for 941 claims, against $45,303 paid for services in 2024. Pfizer Inc. was the largest of 12 companies reporting payments in 2025, $435.01 in all, mostly food and beverage. Lists Hillcrest Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1295040806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MBBS, MD |
| Sole proprietor | No |
| NPI issued | Aug 9, 2010 |
| Last updated in NPPES | Jun 10, 2025 |
| Certified by provider | Jun 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | Q5138 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 215 |
|---|---|
| Services billed | 523 across 17 procedure codes |
| Paid by Medicare | $45,303 |
Part D prescriptions in 2024
| Prescriptions (claims) | 941 · 1,432 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $1,545,257 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
- Houston Methodist Specialty PhysiciansHouston, TX · 1,528 clinicians
Hospital affiliations
- Hillcrest Medical CenterTulsa, OK
- 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$435.01 · 18 payments from 12 companies
- 2024$1,017 · 41 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $121.83 | 5 |
| Tempus Ai, Inc | $56.98 | 2 |
| Novartis Pharmaceuticals Corporation | $49.00 | 2 |
| Eisai Inc. | $32.62 | 1 |
| Merck Sharp & Dohme LLC | $29.93 | 1 |
What the 2025 payments were for
- Food and Beverage$415.01 · 17 payments
- Education$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Houston
- 1013837921
- 1063332955
- 1073420493
- 1144140054
- 1205756194
- 1346160777
- 1619897865
- 1689594616
- 1912827809
- 1932029485
- 1386904357
- 1407920069
All Internal Medicine, Hematology & Oncology providers in Texas →