Nancy Uythoven, M.D.
NPI 1558503466ActiveIndividual· Pediatrics· West Islip, NY
Pediatrics (M.D.) in West Islip, New York, licensed in NY, with an NPI issued in March 2009. Enrolled in Medicare as practitioner - pediatric medicine. Merck Sharp & Dohme LLC was the largest of 4 companies reporting payments in 2025, $172.26 in all, mostly food and beverage.
Overview
| NPI | 1558503466 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2009 |
| Last updated in NPPES | Jul 11, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 260115 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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$172.26 · 8 payments from 4 companies
- 2024$149.68 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $103.70 | 5 |
| Sanofi Pasteur Inc. | $27.80 | 1 |
| Pfizer Inc. | $22.40 | 1 |
| Alk-Abello, Inc | $18.36 | 1 |
What the 2025 payments were for
- Food and Beverage$172.26 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 pediatricians in West Islip · All pediatricians in New York