Quick answers
- Which hospitals does Ryan A. Frederiksen work at?
- Medicare's official clinician data lists Ryan A. Frederiksen at 5 hospitals: Asante Rogue Regional Medical Center, PeaceHealth Southwest Medical Cente, Providence Medford Medical Center, Providence Santa Rosa Memorial Hospital and Providence St Peter Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan A. Frederiksen see patients?
- Medicare's clinician data lists 6 practice locations, including Bellevue, WA, Everett, WA and Redmond, WA. Call before your visit to confirm the address.
- What is Ryan A. Frederiksen's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Ryan A. Frederiksen accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan A. Frederiksen 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 Ryan A. Frederiksen?
- (425) 357-3960, as listed in official Medicare / NPI Registry data.
- What is Ryan A. Frederiksen's NPI number?
- 1922260033. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan A. Frederiksen works
Medicare's Facility Affiliation Data lists Ryan A. Frederiksen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · CCN 380018
- PeaceHealth Southwest Medical CenteVancouver, WA · Acute Care Hospital · CCN 500050
- Providence Medford Medical CenterMedford, OR · Acute Care Hospital · CCN 380075
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · CCN 500024
Practice locations
Addresses where Ryan A. Frederiksen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1200 112th Ave NE, Suite B250Bellevue, WA 98004
- 13020 Meridian Ave SEverett, WA 98208 (425) 357‑3960
- 18100 NE Union Hill RdRedmond, WA 98052 (425) 498‑2030
- 46 -393 Hololio StKaneohe, HI 96744 (425) 563‑1500
- 515 Minor Ave, Suite 110Seattle, WA 98104 (206) 386‑9699
Group practices
Medicare enrollment lists Ryan A. Frederiksen as a member of these groups (CMS data updated 2026-10-02).
- Swedish Health Services1,037 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Swedish Health Services154 clinicians in the group
- Radia California Radiology Medical Group Inc136 clinicians in the group
- Radia Oregon Radiology Medical Group LLC121 clinicians in the group
- Evergreen Radia LLC120 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922260033 |
| 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