Melissa Mainier
NPI 1043833098ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Baltimore, MD
Nurse Practitioner, Psych/Mental Health with Medstar Medical Group II LLC and 1 other group, practicing in Baltimore, Maryland. 41 Medicare patients in 2024, $12,700 paid; nearly all of their 89 Part D prescriptions were generic (93%). Axsome Therapeutics, Inc. was the largest of 13 companies reporting payments in 2025, $1,376 in all, mostly food and beverage. Lists Medstar Franklin Square Medical Center as a hospital affiliation.
Overview
| NPI | 1043833098 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 26, 2020 |
| Last updated in NPPES | May 26, 2020 |
| Certified by provider | May 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | R221246 | 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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 186 across 8 procedure codes |
| Paid by Medicare | $12,700 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 123 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $7,012 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Psychnp Wellness Center LLCTowson, MD · 14 clinicians
Hospital affiliation
- Medstar Franklin Square Medical CenterRosedale, MD
Industry payments (Open Payments)
- 2025$1,376 · 55 payments from 13 companies
- 2024$1,425 · 32 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $212.70 | 6 |
| Supernus Pharmaceuticals, Inc. | $171.51 | 4 |
| Neurocrine Biosciences, Inc. | $148.48 | 2 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $144.23 | 8 |
| Tris Pharma Inc | $143.42 | 15 |
What the 2025 payments were for
- Food and Beverage$1,376 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 575 psychiatric nurse practitioners in Baltimore · All psychiatric nurse practitioners in Maryland