Quick answers
- Where does William S. Waites see patients?
- Medicare's clinician data lists 5 practice locations, including Richland, WA, Spokane, WA and Kennewick, WA. Call before your visit to confirm the address.
- What is William S. Waites's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William S. Waites accept Medicare assignment?
- Yes. Medicare's clinician data says William S. Waites accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William S. Waites?
- (509) 946-1695, as listed in official Medicare / NPI Registry data.
- What is William S. Waites's NPI number?
- 1992970297. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William S. Waites is enrolled with Medicare (CMS data updated 2026-10-02).
- 1215 George Washington WayRichland, WA 99352 (509) 946‑1695
- 1516 Jadwin AveRichland, WA 99354 (509) 946‑1695
- 1601 N Division St, Suite ASpokane, WA 99207 (509) 824‑6080
- 3601 Plaza WayKennewick, WA 99338 (509) 236‑0391
- 705 Gage Blvd, Suite 200Richland, WA 99352 (509) 824‑6080
Group practices
Medicare enrollment lists William S. Waites as a member of these groups (CMS data updated 2026-10-02).
- Physicians Immediate Care and Medical Centers PS20 clinicians in the group
- Restore Health and Pain Treatment Group PLLC4 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Richland
Clinicians with the same Medicare primary specialty in Richland, WA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992970297 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians