Quick answers
- Which hospitals does Diana Seaders work at?
- Medicare's official clinician data lists Diana Seaders at 3 hospitals: OHSU Hospital and Clinics, Salem Health West Valley and Salem Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diana Seaders see patients?
- Medicare's clinician data lists 2 practice locations, including Portland, OR and Salem, OR. Call before your visit to confirm the address.
- What is Diana Seaders's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Diana Seaders accept Medicare assignment?
- Yes. Medicare's clinician data says Diana Seaders 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.
- Does Diana Seaders offer telehealth?
- Medicare's clinician data says Diana Seaders offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Diana Seaders?
- (503) 494-8311, as listed in official Medicare / NPI Registry data.
- What is Diana Seaders's NPI number?
- 1285979138. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diana Seaders works
Medicare's Facility Affiliation Data lists Diana Seaders at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · CCN 380009
- Salem Health West ValleyDallas, OR · Critical Access Hospital · CCN 381308
- Salem HospitalSalem, OR · Acute Care Hospital · CCN 380051
Practice locations
Addresses where Diana Seaders is enrolled with Medicare (CMS data updated 2026-10-02).
- 3181 SW Sam Jackson Park RdPortland, OR 97239 (503) 494‑8311
- 875 Oak St SE, Suite 4030Salem, OR 97301 (503) 561‑6444
Group practices
Medicare enrollment lists Diana Seaders as a member of these groups (CMS data updated 2026-10-02).
- University Professional Services1,724 clinicians in the group
- Oregon Oncology Specialists LLP41 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285979138 |
| 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