Demetrius Williams, PMHNP
NPI 1578296489ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Mandeville, LA
Nurse Practitioner, Psych/Mental Health (PMHNP) in Mandeville, Louisiana, licensed in MS, with an NPI issued in July 2022. Part D covered 639 prescriptions written in 2024, 93% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $370.48 in all, mostly food and beverage.
Overview
| NPI | 1578296489 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Jul 7, 2022 |
| Last updated in NPPES | May 22, 2023 |
| Certified by provider | May 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 905371 | MS |
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 Order and Referring Only - Nurse Practitioner (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 639 · 757 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $157,670 |
| Generic share | 93% of claims |
Industry payments (Open Payments)
- 2025$370.48 · 18 payments from 3 companies
- 2024$285.66 · 15 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $184.62 | 10 |
| Corium, LLC | $102.67 | 4 |
| Axsome Therapeutics, Inc. | $83.19 | 4 |
What the 2025 payments were for
- Food and Beverage$370.48 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 psychiatric nurse practitioners in Mandeville · All psychiatric nurse practitioners in Louisiana