Quick answers
- Which hospitals does Stephen K. Allison work at?
- Medicare's official clinician data lists Stephen K. Allison at 5 hospitals: Confluence Health Hospital, Legacy Salmon Creek Medical Center, PeaceHealth Southwest Medical Cente, Providence St Peter Hospital and University of Washington Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen K. Allison see patients?
- Medicare's clinician data lists 3 practice locations, including Kirkland, WA, Seattle, WA and Wenatchee, WA. Call before your visit to confirm the address.
- What is Stephen K. Allison's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Stephen K. Allison accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen K. Allison 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 Stephen K. Allison?
- (425) 899-1800, as listed in official Medicare / NPI Registry data.
- What is Stephen K. Allison's NPI number?
- 1508058280. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen K. Allison works
Medicare's Facility Affiliation Data lists Stephen K. Allison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Confluence Health HospitalWenatchee, WA · Acute Care Hospital · CCN 500016
- Legacy Salmon Creek Medical CenterVancouver, WA · Acute Care Hospital · CCN 500150
- PeaceHealth Southwest Medical CenteVancouver, WA · Acute Care Hospital · CCN 500050
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · CCN 500024
- University of Washington Medical CtrSeattle, WA · Acute Care Hospital · CCN 500008
Practice locations
Addresses where Stephen K. Allison is enrolled with Medicare (CMS data updated 2026-10-02).
- 12040 NE 128th StKirkland, WA 98034 (425) 899‑1800
- 1959 NE Pacific StSeattle, WA 98195 (206) 598‑4333
- 820 N Chelan AveWenatchee, WA 98801 (509) 663‑8711
Group practices
Medicare enrollment lists Stephen K. Allison as a member of these groups (CMS data updated 2026-10-02).
- The Association of University Physicians3,535 clinicians in the group
- Central Washington Health Services Association721 clinicians in the group
- Radia Inc P S277 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Kirkland
Clinicians with the same Medicare primary specialty in Kirkland, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508058280 |
| 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