William S. Waites, PA-C
NPI 1992970297ActiveIndividual· Physician Assistant· Kennewick, WA
Physician Assistant (PA-C) with Physicians Immediate Care and Medical Centers Ps and 1 other group, practicing in Kennewick, Washington. Their prescriptions cost Medicare Part D more than their services did: $384,722 for 5,474 claims, against $171,615 paid for services in 2024. Collegium Pharmaceutical, Inc. was the largest of 3 companies reporting payments in 2025, $302.08 in all, mostly food and beverage.
Overview
| NPI | 1992970297 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 28, 2008 |
| Last updated in NPPES | Jan 9, 2025 |
| Certified by provider | Jan 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA10003522 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 2,780 across 31 procedure codes |
| Paid by Medicare | $171,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,474 · 5,616 30-day fills |
|---|---|
| Patients | 380 |
| Total drug cost | $384,722 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Physicians Immediate Care and Medical Centers PsCollege Place, WA · 20 clinicians
- Restore Health and Pain Treatment Group PLLCSpokane, WA · 4 clinicians
Industry payments (Open Payments)
- 2025$302.08 · 15 payments from 3 companies
- 2024$374.25 · 23 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $211.19 | 11 |
| Alnylam Pharmaceuticals Inc. | $48.40 | 2 |
| Abbvie Inc. | $42.49 | 2 |
What the 2025 payments were for
- Food and Beverage$302.08 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 physician assistants in Kennewick · All physician assistants in Washington