Marcus Nielson, PMHNP-BC
NPI 1376257170ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Phoenix, AZ
Nurse Practitioner, Psych/Mental Health (PMHNP-BC) with Serenity Tms Centers LLC, practicing in Phoenix, Arizona. Part D covered 31 prescriptions written in 2024, 84% of them generic. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,415 in all, mostly food and beverage.
Overview
| NPI | 1376257170 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC |
| Sole proprietor | Yes |
| NPI issued | Jan 6, 2023 |
| Last updated in NPPES | May 29, 2026 |
| Certified by provider | May 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 301764 | AZ |
| Registered Nurse | 163W00000X | RN168434 | AZ |
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 (AZ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 69 30-day fills |
|---|---|
| Total drug cost | $9,511 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Serenity Tms Centers LLCPhoenix, AZ · 47 clinicians
Industry payments (Open Payments)
- 2025$1,415 · 70 payments from 15 companies
- 2024$949.62 · 53 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $289.56 | 27 |
| Axsome Therapeutics, Inc. | $250.35 | 9 |
| Supernus Pharmaceuticals, Inc. | $201.55 | 11 |
| Otsuka America Pharmaceutical, Inc. | $183.50 | 4 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $149.54 | 3 |
What the 2025 payments were for
- Food and Beverage$1,415 · 70 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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