Dennis Efren Duriex, M.D.
NPI 1336145838ActiveIndividual· Internal Medicine, Infectious Disease· Lubbock, TX
Internal Medicine, Infectious Disease (M.D.) in Lubbock, Texas, trained at Ponce School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $947,723 for 1,204 claims, against $143,691 paid for services in 2024. Viiv Healthcare Company was the largest of 9 companies reporting payments in 2025, $1,384 in all, mostly food and beverage.
Overview
| NPI | 1336145838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2005 |
| Last updated in NPPES | Aug 24, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | H7137 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 437 |
|---|---|
| Services billed | 1,979 across 12 procedure codes |
| Paid by Medicare | $143,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,204 · 1,276 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $947,723 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Infectious Disease |
Medical group
- Covenant Medical GroupLubbock, TX · 233 clinicians
Hospital affiliations
- Covenant Childrens HospitalLubbock, TX
- Covenant Hospital PlainviewPlainview, TX
- Covenant Medical CenterLubbock, TX
- Nor-Lea Hospital DistrictLovington, NM
- University Medical CenterLubbock, TX
Industry payments (Open Payments)
- 2025$1,384 · 63 payments from 9 companies
- 2024$1,088 · 58 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $619.41 | 25 |
| Merck Sharp & Dohme LLC | $239.92 | 13 |
| Gilead Sciences, Inc. | $215.82 | 9 |
| Insmed, Inc. | $159.03 | 8 |
| Melinta Therapeutics, LLC | $42.55 | 2 |
What the 2025 payments were for
- Food and Beverage$1,384 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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