Marie-Fabienne Vassallo, APN
NPI 1578962163ActiveIndividual· Nurse Practitioner, Family· Morristown, NJ
Nurse Practitioner, Family (APN) with Practice Associates Medical Group, practicing in Morristown, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $2,038,370 for 973 claims, against $34,498 paid for services in 2024. Aop Health US, LLC was the largest of 18 companies reporting payments in 2025, $2,243 in all, mostly food and beverage. Lists Chilton Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1578962163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN |
| Sole proprietor | Yes |
| NPI issued | Aug 19, 2014 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 26NJ00515800 | 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 | 164 |
|---|---|
| Services billed | 454 across 16 procedure codes |
| Paid by Medicare | $34,498 |
Part D prescriptions in 2024
| Prescriptions (claims) | 973 · 2,076 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $2,038,370 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Chilton Medical CenterPompton Plains, NJ
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2025$2,243 · 76 payments from 18 companies
- 2024$1,638 · 92 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aop Health US, LLC | $722.00 | 1 |
| Actelion Pharmaceuticals US, Inc. | $216.50 | 8 |
| United Therapeutics Corporation | $170.96 | 13 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $168.26 | 7 |
| Abbott Laboratories | $160.39 | 1 |
What the 2025 payments were for
- Food and Beverage$2,144 · 75 payments
- Education$98.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 family nurse practitioners in Morristown · All family nurse practitioners in New Jersey