Stacy Williams, PMHNP-BC, NP-C
NPI 1477188332ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Pascagoula, MS
Nurse Practitioner, Psych/Mental Health (PMHNP-BC, NP-C) with Medical Systems Management, LLC, practicing in Pascagoula, Mississippi. Part D covered 2,627 prescriptions written in 2024, 89% of them generic. Lists Covington County Hospital Cah as a hospital affiliation.
Overview
| NPI | 1477188332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC, NP-C |
| Sole proprietor | Yes |
| NPI issued | Mar 10, 2020 |
| Last updated in NPPES | Oct 12, 2026 |
| Certified by provider | Oct 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 903897 | MS |
| Nurse Practitioner, Family | 363LF0000X | 903897 | 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 Practitioner - Nurse Practitioner (MS) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,627 · 2,654 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $140,576 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Medical Systems Management, LLCRichland, MS · 50 clinicians
Hospital affiliation
- Covington County Hospital CahCollins, MS
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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