Quick answers
- Which hospitals does Winnet K. Katiyo work at?
- Medicare's official clinician data lists Winnet K. Katiyo at 3 hospitals: Legacy Salmon Creek Medical Center, PeaceHealth Southwest Medical Cente and PeaceHealth St John Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Winnet K. Katiyo see patients?
- Medicare's clinician data lists 1 practice location in Kelso, WA. Call before your visit to confirm the address.
- What is Winnet K. Katiyo's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Winnet K. Katiyo accept Medicare assignment?
- Medicare's clinician data says Winnet K. Katiyo may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Winnet K. Katiyo?
- (360) 353-5511, as listed in official Medicare / NPI Registry data.
- What is Winnet K. Katiyo's NPI number?
- 1992280796. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Winnet K. Katiyo works
Medicare's Facility Affiliation Data lists Winnet K. Katiyo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Salmon Creek Medical CenterVancouver, WA · Acute Care Hospital · CCN 500150
- PeaceHealth Southwest Medical CenteVancouver, WA · Acute Care Hospital · CCN 500050
- PeaceHealth St John Medical CenterLongview, WA · Acute Care Hospital · CCN 500041
Practice locations
Addresses where Winnet K. Katiyo is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Oak St BKelso, WA 98626 (360) 353‑5511
Group practices
Medicare enrollment lists Winnet K. Katiyo as a member of this group (CMS data updated 2026-10-02).
- Cowlitz Family Health Center21 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1992280796 |
| 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