Robert J. Zwiener, MD
NPI 1598717936ActiveIndividual· Pediatrics, Pediatric Gastroenterology· Austin, TX
Pediatrics, Pediatric Gastroenterology (MD) in Austin, Texas, licensed in TX, with an NPI issued in May 2006. Enrolled in Medicare as practitioner - pediatric medicine. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $414.11 in all, mostly food and beverage.
Overview
| NPI | 1598717936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Apr 8, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Gastroenterology Primary | 2080P0206X | G5808 | 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 - Pediatric Medicine (TX) |
|---|
Industry payments (Open Payments)
- 2025$414.11 · 18 payments from 10 companies
- 2024$248.58 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $157.90 | 7 |
| Mauna Kea Technologies, Inc. | $52.14 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $41.43 | 2 |
| Regeneron Healthcare Solutions, Inc. | $38.67 | 1 |
| Qol Medical, LLC | $25.13 | 1 |
What the 2025 payments were for
- Food and Beverage$414.11 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 Pediatrics, Pediatric Gastroenterology providers in Austin · All Pediatrics, Pediatric Gastroenterology providers in Texas