Quick answers
- Does Kathleen M. Riordan accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen M. Riordan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Kathleen M. Riordan's NPI number?
- 1033984554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kathleen M. Riordan works
Medicare's Facility Affiliation Data lists Kathleen M. Riordan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Medical CenterRoseburg, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380027
Practice locations
Addresses where Kathleen M. Riordan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1937 W Harvard AveRoseburg, OR 97471 (541) 677‑7200
- 249 Dakota StSutherlin, OR 97479 (541) 677‑7200
- 2570 NW Edenbower BlvdRoseburg, OR 97471 (541) 677‑7200
- 2570 NW Edenbower Blvd, Suite 100Roseburg, OR 97471 (541) 677‑7200
Group practices
Medicare enrollment lists Kathleen M. Riordan as a member of these groups (CMS data updated October 2, 2026).
- Centennial Medical Group East LLC65 clinicians in the group
- Evergreen Family Medicine PC54 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Roseburg
Clinicians with the same Medicare primary specialty in Roseburg, OR — not a recommendation.
Other clinicians in Centennial Medical Group East LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033984554 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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