Ali Williams, PA-C
NPI 1902182090ActiveIndividual· Physician Assistant· Hemet, CA
Physician Assistant (PA-C) with County of Riverside, practicing in Hemet, California. Their prescriptions cost Medicare Part D more than their services did: $700,120 for 2,084 claims, against $1,456 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 8 companies reporting payments in 2025, $406.08 in all, mostly food and beverage.
Overview
| NPI | 1902182090 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Nov 2, 2011 |
| Last updated in NPPES | Mar 8, 2024 |
| Certified by provider | Mar 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 21 across 3 procedure codes |
| Paid by Medicare | $1,456 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,084 · 2,303 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $700,120 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- County of RiversideIndio, CA · 193 clinicians
Industry payments (Open Payments)
- 2025$406.08 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $135.96 | 5 |
| Merz North America, Inc. | $87.62 | 1 |
| Alkermes, Inc. | $52.06 | 3 |
| Otsuka America Pharmaceutical, Inc. | $48.71 | 2 |
| Teva Pharmaceuticals USA, Inc. | $23.18 | 1 |
What the 2025 payments were for
- Food and Beverage$406.08 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 physician assistants in Hemet · All physician assistants in California