Steffi Sathiyaraj, MD
NPI 1225590904ActiveIndividual· Internal Medicine, Nephrology· McAllen, TX
Internal Medicine, Nephrology (MD) with South Texas Kidney Specialists, P.A., practicing in McAllen, Texas. In 2024 Medicare paid $19,634 for 91 patients, and Part D covered 68 of their prescriptions, 79% of them generic. Vifor Pharma, Inc. was the largest of 7 companies reporting payments in 2025, $613.47 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1225590904 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2019 |
| Last updated in NPPES | Jul 9, 2024 |
| Certified by provider | Jul 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | U8816 | 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 | 91 |
|---|---|
| Services billed | 216 across 13 procedure codes |
| Paid by Medicare | $19,634 |
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 116 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $19,306 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nephrology |
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
- Davita Dialysis Care of McAllenDialysis facility · McAllen, TX
- Fkc North EdinburgDialysis facility · Edinburg, TX
- Fkc Palm City DialysisDialysis facility · Mission, TX
- Fresenius Medical Care Edinburg Kidney CenterDialysis facility · Edinburg, TX
Industry payments (Open Payments)
- 2025$613.47 · 34 payments from 7 companies
- 2024$518.59 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $233.38 | 13 |
| Bayer Healthcare Pharmaceuticals Inc. | $148.57 | 11 |
| Astrazeneca Pharmaceuticals LP | $78.86 | 3 |
| Fresenius USA Marketing, Inc. | $49.79 | 2 |
| Travere Therapeutics, Inc. | $39.91 | 2 |
What the 2025 payments were for
- Food and Beverage$593.25 · 33 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in McAllen
- 1548279904
- 1912432519
- 1114944188
- 1093220113
- 1720542053
- 1730227075
- 1477727949
- 1376705244
- 1902823974
- 1831198654
- 1407855224
- 1972574010