Gus Andrew Rousonelos, M.D.
NPI 1265410989ActiveIndividual· Pediatrics· Naperville, IL
Pediatrics (M.D.) in Naperville, Illinois, licensed in IL, with an NPI issued in January 2006. Sanofi-Aventis U.S. LLC was the largest of 8 companies reporting payments in 2025, $277.76 in all, mostly food and beverage.
Overview
| NPI | 1265410989 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 3, 2006 |
| Last updated in NPPES | May 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 036074473 | IL |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$277.76 · 11 payments from 8 companies
- 2024$175.99 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $61.34 | 2 |
| Ars Pharmaceuticals Operations, Inc. | $54.64 | 2 |
| Pfizer Inc. | $34.86 | 1 |
| Cranial Technologies, Inc | $29.58 | 2 |
| Lnhc, Inc | $27.34 | 1 |
What the 2025 payments were for
- Food and Beverage$277.76 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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