Stephen Christopher Marshall
NPI 1700590023ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Brookhaven, NY
Nurse Practitioner, Psych/Mental Health with Psychiatric Nurse Practitioner PC, practicing in Brookhaven, New York. Enrolled in Medicare as practitioner - nurse practitioner. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 2 companies reporting payments in 2025, $53.45 in all, mostly food and beverage.
Overview
| NPI | 1700590023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 11, 2023 |
| Last updated in NPPES | Jan 11, 2023 |
| Certified by provider | Jan 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | F40445-01 | NY |
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 (NY) |
|---|
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Psychiatric Nurse Practitioner PCNew York, NY · 48 clinicians
Industry payments (Open Payments)
- 2025$53.45 · 2 payments from 2 companies
- 2024$33.06 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $34.65 | 1 |
| Lundbeck LLC | $18.80 | 1 |
What the 2025 payments were for
- Food and Beverage$53.45 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records