Liliana E. Rios Rojas, M.D.
NPI 1598027930ActiveIndividual· Internal Medicine, Nephrology· McAllen, TX
Internal Medicine, Nephrology (M.D.) with South Texas Kidney Specialists, P.A., practicing in McAllen, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,441,073 for 2,178 claims, against $133,037 paid for services in 2024. Vifor Pharma, Inc. was the largest of 11 companies reporting payments in 2025, $1,800 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1598027930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2012 |
| Last updated in NPPES | Nov 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | P8812 | 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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 990 across 17 procedure codes |
| Paid by Medicare | $133,037 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,178 · 3,523 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $1,441,073 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- South Texas Kidney Specialists, P.A.McAllen, TX · 15 clinicians
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Knapp Medical CenterWeslaco, TX
- Mission Regional Medical CenterMission, TX
- Rio Grande Regional HospitalMcAllen, TX
- South Texas Health SystemEdinburg, TX
Other facilities
- Fkc McAllen HomeDialysis facility · Edinburg, TX
- Fresenius Medical Care Edinburg Kidney CenterDialysis facility · Edinburg, TX
- Fresenius Medical Care McAllenDialysis facility · McAllen, TX
- Fresenius Medical Care Tri-CityDialysis facility · Alamo, TX
- South Texas Dialysis CenterDialysis facility · Mission, TX
Industry payments (Open Payments)
- 2025$1,800 · 63 payments from 11 companies
- 2024$1,294 · 60 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $773.65 | 31 |
| Travere Therapeutics, Inc. | $190.39 | 6 |
| Astrazeneca Pharmaceuticals LP | $165.10 | 13 |
| Sanofi-Aventis U.S. LLC | $143.09 | 1 |
| Neurocrine Biosciences, Inc. | $123.76 | 1 |
What the 2025 payments were for
- Food and Beverage$1,800 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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