Quick answers
- Which hospitals does Olga Demina work at?
- Medicare's official clinician data lists Olga Demina at 4 hospitals: Benefis Hospitals Inc, Confluence Health Hospital, Legacy Meridian Park Medical Center and Northern Montana Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Olga Demina see patients?
- Medicare's clinician data lists 8 practice locations, including Clackamas, OR, Portland, OR and Great Falls, MT. Call before your visit to confirm the address.
- What is Olga Demina's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Olga Demina accept Medicare assignment?
- Yes. Medicare's clinician data says Olga Demina 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 Olga Demina?
- (800) 813-2000, as listed in official Medicare / NPI Registry data.
- What is Olga Demina's NPI number?
- 1376819367. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Olga Demina works
Medicare's Facility Affiliation Data lists Olga Demina at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospital · CCN 270012
- Confluence Health HospitalWenatchee, WA · Acute Care Hospital · CCN 500016
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · CCN 380089
- Northern Montana HospitalHavre, MT · Critical Access Hospital · CCN 271348
Practice locations
Addresses where Olga Demina is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 10100 SE Sunnyside RdClackamas, OR 97015 (800) 813‑2000
- 10180 SE Sunnyside RdClackamas, OR 97015 (800) 813‑2000
- 1040 NW 22nd Ave, Suite 660Portland, OR 97210 (503) 413‑7162
- 1200 NW 23rd AvePortland, OR 97210 (503) 413‑7074
- 1300 28th St SGreat Falls, MT 59405 (406) 455‑5000
Group practices
Medicare enrollment lists Olga Demina as a member of these groups (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group
- Legacy Clinics LLC713 clinicians in the group
- Benefis Hospitals Inc384 clinicians in the group
- Legacy Good Samaritan Hospital and Medical Center191 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Oregon →
Other cardiologists in Clackamas
Clinicians with the same Medicare primary specialty in Clackamas, OR — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376819367 |
| 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