Sonali P. Birewar, MD
NPI 1043310352ActiveIndividual· Internal Medicine, Nephrology· Austin, TX
Internal Medicine, Nephrology (MD) with The Austin Diagnostic Clinic PLLC, practicing in Austin, Texas. Their prescriptions cost Medicare Part D more than their services did: $275,458 for 1,827 claims, against $155,764 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $403.54 in all, mostly food and beverage. Lists North Austin Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1043310352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Jan 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | M5057 | 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 | 267 |
|---|---|
| Services billed | 1,611 across 55 procedure codes |
| Paid by Medicare | $155,764 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,827 · 3,867 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $275,458 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Austin Diagnostic Clinic PLLCCedar Park, TX · 86 clinicians
Hospital affiliations
- North Austin Medical CenterAustin, TX
- Round Rock Medical CenterRound Rock, TX
- St David's Medical CenterAustin, TX
Other facilities
- Fresenius Medical Care of Cedar ParkDialysis facility · Cedar Park, TX
- Nna - NorthDialysis facility · Austin, TX
Industry payments (Open Payments)
- 2025$403.54 · 19 payments from 8 companies
- 2024$344.90 · 15 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $147.20 | 8 |
| Otsuka America Pharmaceutical, Inc. | $69.41 | 3 |
| Travere Therapeutics, Inc. | $53.56 | 2 |
| Aurinia Pharma U.S., Inc. | $40.06 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $28.91 | 1 |
What the 2025 payments were for
- Food and Beverage$403.54 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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