Deborah A. Greengrass, RN, APN
NPI 1134288491ActiveIndividual· Nurse Practitioner· West Orange, NJ
Nurse Practitioner (RN, APN) with Barnabas Health Medical Group, PC, practicing in West Orange, New Jersey. 159 Medicare patients in 2024, $17,356 paid; nearly all of their 372 Part D prescriptions were generic (91%). Astellas Pharma US Inc was the largest of 11 companies reporting payments in 2025, $698.55 in all, mostly food and beverage. Lists Cooperman Barnabas Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1134288491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, APN |
| Sole proprietor | No |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 26NJ00109500 | NJ |
| Nurse Practitioner, Women's Health | 363LW0102X | 26NJ00109500 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 159 |
|---|---|
| Services billed | 257 across 16 procedure codes |
| Paid by Medicare | $17,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 372 · 528 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $22,149 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Barnabas Health Medical Group, PCElizabeth, NJ · 262 clinicians
Hospital affiliations
- Cooperman Barnabas Medical CenterLivingston, NJ
- Jfk University Medical CenterEdison, NJ
Industry payments (Open Payments)
- 2025$698.55 · 35 payments from 11 companies
- 2024$428.58 · 22 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $201.17 | 7 |
| Astrazeneca Pharmaceuticals LP | $144.74 | 10 |
| Merck Sharp & Dohme LLC | $81.00 | 4 |
| Caris Mpi, Inc. | $72.76 | 3 |
| Tempus Ai, Inc | $41.67 | 2 |
What the 2025 payments were for
- Food and Beverage$613.56 · 34 payments
- Education$84.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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