Mary A. Williams, DNP, FNP-BC, PMHNP-C
NPI 1184806150ActiveIndividual· Nurse Practitioner, Family· Clarksdale, MS
Nurse Practitioner, Family (DNP, FNP-BC, PMHNP-C) in Clarksdale, Mississippi, licensed in MS, with an NPI issued in December 2007. Their prescriptions cost Medicare Part D more than their services did: $286,304 for 3,876 claims, against $15,582 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $177.02 in all, mostly food and beverage. Lists Northwest Missississippi Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1184806150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, FNP-BC, PMHNP-C |
| Sole proprietor | No |
| NPI issued | Dec 3, 2007 |
| Last updated in NPPES | Apr 22, 2026 |
| Certified by provider | Apr 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R854909 | MS |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 854909 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 861 across 26 procedure codes |
| Paid by Medicare | $15,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,876 · 7,513 30-day fills |
|---|---|
| Patients | 254 |
| Total drug cost | $286,304 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Hospital affiliation
- Northwest Missississippi Regional Medical CenterClarksdale, MS
Other facilities
- Accentcare Home Health of GreenwoodHome health agency · Greenwood, MS
Industry payments (Open Payments)
- 2025$177.02 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $91.79 | 2 |
| Teleflex LLC | $62.80 | 1 |
| Lilly USA, LLC | $22.43 | 1 |
What the 2025 payments were for
- Food and Beverage$177.02 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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