Iliana L. Cardona Orellana, M.D.
NPI 1538475983ActiveIndividual· Internal Medicine, Nephrology· San Antonio, TX
Internal Medicine, Nephrology (M.D.) with Renal Associates, P.A., practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $516,173 for 899 claims, against $136,271 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $1,033 in all, mostly food and beverage. Lists Baptist Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1538475983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 24, 2010 |
| Last updated in NPPES | Oct 7, 2022 |
| Certified by provider | Oct 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | P8651 | 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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 1,763 across 30 procedure codes |
| Paid by Medicare | $136,271 |
Part D prescriptions in 2024
| Prescriptions (claims) | 899 · 1,823 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $516,173 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Renal Associates, P.A.Seguin, TX · 40 clinicians
Hospital affiliations
- Baptist Medical CenterSan Antonio, TX
- Dimmit Regional HospitalCarrizo Springs, TX
- Methodist HospitalSan Antonio, TX
- Methodist Hospital Stone OakSan Antonio, TX
Other facilities
- Bma Northwest Bexar CountyDialysis facility · San Antonio, TX
- Fresenius Medical Care Eagle PassDialysis facility · Eagle Pass, TX
Industry payments (Open Payments)
- 2025$1,033 · 42 payments from 13 companies
- 2024$817.01 · 35 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $193.93 | 11 |
| Opko Pharmaceuticals, LLC | $180.46 | 1 |
| Calliditas Therapeutics US Inc. | $141.05 | 5 |
| Novartis Pharmaceuticals Corporation | $99.18 | 5 |
| Ardelyx, Inc. | $74.65 | 3 |
What the 2025 payments were for
- Food and Beverage$1,033 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 168 nephrologists in San Antonio · All nephrologists in Texas