Sherif S. Iskander, MD
Internal Medicine, Cardiovascular Disease (MD) with Christus Trinity Clinic Texas, practicing in Tyler, Texas. Their prescriptions cost Medicare Part D more than their services did: $710,140 for 5,683 claims, against $232,516 paid for services in 2024. Pfizer Inc. was the largest of 10 companies reporting payments in 2025, $940.53 in all, mostly food and beverage. Lists Baylor Scott & White Texas Spine & Joint Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1255321980 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 25, 2005 |
| Last updated in NPPES | Feb 22, 2023 |
| Certified by provider | Feb 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | K7304 | 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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,591 |
|---|---|
| Services billed | 4,660 across 48 procedure codes |
| Paid by Medicare | $232,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,683 · 11,491 30-day fills |
|---|---|
| Patients | 647 |
| Total drug cost | $710,140 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
- Baylor Scott & White Texas Spine & Joint HospitalTyler, TX
- Christus Good Shepherd Medical CenterLongview, TX
- Christus Mother Frances HospitalTyler, TX
- Christus Mother Frances Hospital Sulphur SpringsSulphur Springs, TX
- Christus Mother Frances Hospital- WinnsboroWinnsboro, TX
Other facilities
- Vitalcaring GroupHome health agency · Henderson, TX
Industry payments (Open Payments)
- 2025$940.53 · 25 payments from 10 companies
- 2024$2,358 · 68 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $139.56 | 6 |
| Abiomed | $116.96 | 1 |
| Abbott Laboratories | $113.83 | 2 |
| Amgen Inc. | $112.69 | 2 |
| Novartis Pharmaceuticals Corporation | $108.74 | 6 |
What the 2025 payments were for
- Food and Beverage$937.33 · 24 payments
- Education$3.20 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Cardiovascular Disease providers in Texas →