William A. Kostun, MD
NPI 1457320061ActiveIndividual· Pediatrics· Troy, NY
Pediatrics (MD) in Troy, New York, licensed in NY, with an NPI issued in March 2006. Enrolled in Medicare as practitioner - pediatric medicine. Sanofi-Aventis U.S. LLC was the largest of 2 companies reporting payments in 2025, $33.88 in all, mostly food and beverage.
Overview
| NPI | 1457320061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | May 14, 2021 |
| Certified by provider | May 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 162554 | NY |
| Legal Medicine | 173000000X | 162554 | NY |
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 (NY) |
|---|
Industry payments (Open Payments)
- 2025$33.88 · 2 payments from 2 companies
- 2024$108.44 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $20.23 | 1 |
| Merck Sharp & Dohme LLC | $13.65 | 1 |
What the 2025 payments were for
- Food and Beverage$33.88 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 pediatricians in Troy · All pediatricians in New York