Niharika Marpu, M.D.
NPI 1861827594ActiveIndividual· Allergy & Immunology· Round Rock, TX
Allergy & Immunology (M.D.) with Austin Regional Clinic PA, practicing in Round Rock, Texas. In 2024 Medicare paid $179,925 for 103 patients, and Part D covered 293 of their prescriptions, 60% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 8 companies reporting payments in 2025, $474.68 in all, mostly food and beverage.
Overview
| NPI | 1861827594 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 12, 2013 |
| Last updated in NPPES | Feb 14, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | T1457 | 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 - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 12,813 across 25 procedure codes |
| Paid by Medicare | $179,925 |
Part D prescriptions in 2024
| Prescriptions (claims) | 293 · 425 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $95,448 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical group
- Austin Regional Clinic PAHutto, TX · 397 clinicians
Industry payments (Open Payments)
- 2025$474.68 · 13 payments from 8 companies
- 2024$732.50 · 33 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $165.92 | 5 |
| Ars Pharmaceuticals Operations, Inc. | $83.75 | 1 |
| Novartis Pharmaceuticals Corporation | $74.56 | 1 |
| Amgen Inc. | $72.90 | 2 |
| Genentech USA, Inc. | $22.78 | 1 |
What the 2025 payments were for
- Food and Beverage$440.68 · 12 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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