Marceline Lum Nkwenti, PMHNP-BC
NPI 1770369688ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Laurel, MD
Nurse Practitioner, Psych/Mental Health (PMHNP-BC) with Toller Enterprises, LLC and 1 other group, practicing in Laurel, Maryland. 69 Medicare patients in 2024, $37,080 paid; all of their 53 Part D prescriptions were generic. Teva Pharmaceuticals USA, Inc. was the largest of 2 companies reporting payments in 2025, $369.31 in all, mostly food and beverage.
Overview
| NPI | 1770369688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC |
| Sole proprietor | Yes |
| NPI issued | Sep 6, 2023 |
| Last updated in NPPES | Jul 29, 2024 |
| Certified by provider | Sep 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | R206386 | MD |
| Registered Nurse, Psych/Mental Health, Child & Adolescent | 163WP0807X | R206386 | MD |
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 (DC); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 661 across 6 procedure codes |
| Paid by Medicare | $37,080 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 53 30-day fills |
|---|---|
| Total drug cost | $879.37 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Toller Enterprises, LLCBaltimore, MD · 64 clinicians
- Integrahealth LLCBaltimore, MD · 52 clinicians
Industry payments (Open Payments)
- 2025$369.31 · 3 payments from 2 companies
- 2024$293.53 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $249.96 | 2 |
| Neurocrine Biosciences, Inc. | $119.35 | 1 |
What the 2025 payments were for
- Food and Beverage$369.31 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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