Quick answers
- Which hospitals does Janelisa K. Williams work at?
- Medicare's official clinician data lists Janelisa K. Williams at 2 hospitals: Providence Centralia Hospital and Providence St Peter Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Janelisa K. Williams see patients?
- Medicare's clinician data lists 4 practice locations, including Kirkland, WA, Everett, WA and Olympia, WA. Call before your visit to confirm the address.
- What is Janelisa K. Williams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Janelisa K. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Janelisa K. Williams 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 Janelisa K. Williams?
- (425) 899-4500, as listed in official Medicare / NPI Registry data.
- What is Janelisa K. Williams's NPI number?
- 1922022847. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Janelisa K. Williams works
Medicare's Facility Affiliation Data lists Janelisa K. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Centralia HospitalCentralia, WA · Acute Care Hospital · CCN 500019
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · CCN 500024
Practice locations
Addresses where Janelisa K. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 11800 NE 128th St, Suite 100Kirkland, WA 98034 (425) 899‑4500
- 13020 Meridian Ave SEverett, WA 98208 (425) 977‑4620
- 209 Lilly Rd NEOlympia, WA 98506 (360) 413‑8250
- 209 Lilly Rd NE, Suite BOlympia, WA 98506 (360) 413‑8250
Group practices
Medicare enrollment lists Janelisa K. Williams as a member of these groups (CMS data updated 2026-10-02).
- Puget Sound Gastroenterology PLLC61 clinicians in the group
- Gastroenterology Associates Clinical Practice PLLC13 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Kirkland
Clinicians with the same Medicare primary specialty in Kirkland, WA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922022847 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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