Tiffany D. Williams, FNP-BC
NPI 1447902168ActiveIndividual· Nurse Practitioner, Family· Fayetteville, AR
Nurse Practitioner, Family (FNP-BC) with Ozark Dermatology Clinic, practicing in Fayetteville, Arkansas. Their prescriptions cost Medicare Part D more than their services did: $284,866 for 391 claims, against $41,244 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $808.64 in all, mostly food and beverage.
Overview
| NPI | 1447902168 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Jan 24, 2022 |
| Last updated in NPPES | Sep 14, 2023 |
| Certified by provider | Sep 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 122185 | AR |
| Registered Nurse | 163W00000X | 122185 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 318 |
|---|---|
| Services billed | 1,343 across 35 procedure codes |
| Paid by Medicare | $41,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 391 · 507 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $284,866 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ozark Dermatology ClinicFayetteville, AR · 15 clinicians
Industry payments (Open Payments)
- 2025$808.64 · 39 payments from 9 companies
- 2024$1,229 · 53 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $208.62 | 11 |
| Genzyme Corporation | $136.51 | 4 |
| Ucb, Inc. | $128.72 | 7 |
| Sun Pharmaceutical Industries Inc. | $112.12 | 6 |
| Lilly USA, LLC | $75.60 | 3 |
What the 2025 payments were for
- Food and Beverage$808.64 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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