Maria L. Trirogoff, MD
NPI 1033266911ActiveIndividual· Internal Medicine, Nephrology· Austin, TX
Internal Medicine, Nephrology (MD) in Austin, Texas, trained at University of Texas Medical School at Houston (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $247,643 for 1,498 claims, against $81,799 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 9 companies reporting payments in 2025, $470.37 in all, mostly food and beverage.
Overview
| NPI | 1033266911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Jan 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | L7232 | 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 | 243 |
|---|---|
| Services billed | 1,372 across 48 procedure codes |
| Paid by Medicare | $81,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,498 · 3,240 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $247,643 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- The Austin Diagnostic Clinic PLLCCedar Park, TX · 86 clinicians
Hospital affiliations
- Ascension Seton HaysKyle, TX
- Ascension Seton Highland LakesBurnet, TX
- Baylor Scott & White Medical Center - Marble FallsMarble Falls, TX
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- St David's South Austin Medical CenterAustin, TX
Other facilities
- Fresenius Medical Care Chisholm TrailDialysis facility · Georgetown, TX
- Nna - NorthDialysis facility · Austin, TX
Industry payments (Open Payments)
- 2025$470.37 · 19 payments from 9 companies
- 2024$263.99 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $133.93 | 5 |
| Amgen Inc. | $101.32 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $59.33 | 2 |
| Ani Pharmaceuticals, Inc. | $50.53 | 2 |
| Calliditas Therapeutics US Inc. | $33.53 | 1 |
What the 2025 payments were for
- Food and Beverage$470.37 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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