Rafiul Sameer Islam, MD
NPI 1043473820ActiveIndividual· Internal Medicine, Gastroenterology· Lubbock, TX
Internal Medicine, Gastroenterology (MD) in Lubbock, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2008). In 2024 Medicare paid $345,176 for 676 patients, and Part D covered 969 of their prescriptions, 71% of them generic. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,470 in all, mostly food and beverage.
Overview
| NPI | 1043473820 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 2, 2008 |
| Last updated in NPPES | Jan 14, 2021 |
| Certified by provider | Jan 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | N7811 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 676 |
|---|---|
| Services billed | 1,707 across 35 procedure codes |
| Paid by Medicare | $345,176 |
Part D prescriptions in 2024
| Prescriptions (claims) | 969 · 1,470 30-day fills |
|---|---|
| Patients | 507 |
| Total drug cost | $427,687 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Lubbock Gastroenterology and Liver Associates PLLCLubbock, TX · 10 clinicians
Hospital affiliations
- Covenant Medical CenterLubbock, TX
- Lubbock Heart Hospital LPLubbock, TX
- Medical Arts HospitalLamesa, TX
- University Medical CenterLubbock, TX
Industry payments (Open Payments)
- 2025$1,470 · 82 payments from 15 companies
- 2024$1,583 · 80 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $321.27 | 20 |
| Takeda Pharmaceuticals U.S.A., Inc. | $246.92 | 14 |
| Janssen Biotech, Inc. | $171.80 | 13 |
| Madrigal Pharmaceuticals | $162.30 | 7 |
| Qol Medical, LLC | $148.55 | 4 |
What the 2025 payments were for
- Food and Beverage$1,470 · 82 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 gastroenterologists in Lubbock · All gastroenterologists in Texas