Guilaine Michaud-Mesidor
NPI 1235661570ActiveIndividual· Nurse Practitioner, Family· Elizabeth, NJ
Nurse Practitioner, Family with Osh-Nj Physicians Group PC, practicing in Elizabeth, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $563,515 for 5,426 claims, against $44,374 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $44.78 in all, mostly food and beverage.
Overview
| NPI | 1235661570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 28, 2017 |
| Last updated in NPPES | Sep 27, 2024 |
| Certified by provider | Sep 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 26NJ00717000 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 72 |
|---|---|
| Services billed | 579 across 10 procedure codes |
| Paid by Medicare | $44,374 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,426 · 5,713 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $563,515 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Osh-Nj Physicians Group PCPassaic, NJ · 10 clinicians
Industry payments (Open Payments)
- 2025$44.78 · 2 payments from 2 companies
- 2024$120.09 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $29.76 | 1 |
| Mannkind Corporation | $15.02 | 1 |
What the 2025 payments were for
- Food and Beverage$44.78 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 family nurse practitioners in Elizabeth · All family nurse practitioners in New Jersey