Shadrienne Nikeia Williams
NPI 1023285509ActiveIndividual· Physician Assistant, Medical· Dover, DE
Physician Assistant, Medical with Nephrology Associates PA, practicing in Dover, Delaware. Their prescriptions cost Medicare Part D more than their services did: $372,650 for 625 claims, against $17,224 paid for services in 2024. Vifor Pharma, Inc. reported $134.55 in payments in 2025, mostly food and beverage. Lists Bayhealth Medical Center, Kent Campus as a hospital affiliation.
Overview
| NPI | 1023285509 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 13, 2008 |
| Last updated in NPPES | Mar 31, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 173 across 6 procedure codes |
| Paid by Medicare | $17,224 |
Part D prescriptions in 2024
| Prescriptions (claims) | 625 · 936 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $372,650 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Nephrology Associates PAWilmington, DE · 54 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$134.55 · 1 payment from 1 company
- 2024$85.89 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $134.55 | 1 |
What the 2025 payments were for
- Food and Beverage$134.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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