Mark Leja, APN
NPI 1669242483ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Elizabeth, NJ
Nurse Practitioner, Psych/Mental Health (APN) with Barnabas Health Medical Group, PC, practicing in Elizabeth, New Jersey. Part D covered 554 prescriptions written in 2024, 94% of them generic. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $863.06 in all, mostly food and beverage. Lists Trinitas Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1669242483 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN |
| Sole proprietor | Yes |
| NPI issued | Jan 3, 2024 |
| Last updated in NPPES | Mar 6, 2024 |
| Certified by provider | Jan 31, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 26NJ14964400 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 554 · 578 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $93,462 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Barnabas Health Medical Group, PCElizabeth, NJ · 262 clinicians
Hospital affiliation
- Trinitas Regional Medical CenterElizabeth, NJ
Industry payments (Open Payments)
- 2025$863.06 · 42 payments from 8 companies
- 2024$114.36 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $300.76 | 20 |
| Teva Pharmaceuticals USA, Inc. | $295.98 | 7 |
| Alkermes, Inc. | $70.38 | 4 |
| E.R. Squibb & Sons, L.L.C. | $55.37 | 3 |
| Janssen Pharmaceuticals, Inc | $53.25 | 3 |
What the 2025 payments were for
- Food and Beverage$751.57 · 41 payments
- Education$111.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 psychiatric nurse practitioners in Elizabeth · All psychiatric nurse practitioners in New Jersey