Margot Valerie Marrero-Stein, RN-PNP
NPI 1861662975ActiveIndividual· Nurse Practitioner, Pediatrics· Valhalla, NY
Nurse Practitioner, Pediatrics (RN-PNP) in Valhalla, New York, licensed in NY, with an NPI issued in March 2008. Part D covered 26 prescriptions written in 2024. Ptc Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $434.80 in all, mostly food and beverage.
Overview
| NPI | 1861662975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN-PNP |
| Sole proprietor | No |
| NPI issued | Mar 4, 2008 |
| Last updated in NPPES | Mar 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Pediatrics Primary | 363LP0200X | F381930-1 | 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 - Nurse Practitioner (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 30 30-day fills |
|---|---|
| Total drug cost | $529,314 |
Industry payments (Open Payments)
- 2025$434.80 · 3 payments from 3 companies
- 2024$6,405 · 11 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ptc Therapeutics, Inc. | $195.67 | 1 |
| Biomarin Pharmaceutical Inc. | $123.75 | 1 |
| Chiesi USA, Inc. | $115.38 | 1 |
What the 2025 payments were for
- Food and Beverage$434.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 pediatric nurse practitioners in Valhalla · All pediatric nurse practitioners in New York