OLGA VICTOROVNA DEMINA DO
NPI 1376819367
Internal Medicine - Cardiovascular Disease in Vancouver, WA
About Olga Victorovna Demina Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLGA VICTOROVNA DEMINA DO (NPI 1376819367) is an individual cardiovascular disease provider in Vancouver, Washington, licensed in Washington (OP60834432) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Olga Victorovna Demina Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Olga Demina reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97227
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1609171081 (Washington)
- 3,207 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 387 clinicians in this Medicare group
Thompson Falls, MT 59873
- Reassigned Medicare billing, Montana enrollment
- 325 clinicians in this Medicare group
Polson, MT 59860
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1669655528 (Montana)
- 51 clinicians in this Medicare group
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 637 clinicians in this Medicare group
Manchester, NH 03102
- Reassigned Medicare billing, New Hampshire enrollment
- 62 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Benefis Hospitals Inc
Acute Care Hospitals · Great Falls, MTNorthern Montana Hospital
Critical Access Hospitals · Havre, MTLegacy Meridian Park Medical Center
Acute Care Hospitals · Tualatin, ORConfluence Health Hospital
Acute Care Hospitals · Wenatchee, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98664 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VANCOUVER, WA 98664
VANCOUVER, WA 98664
VANCOUVER, WA 98664
VANCOUVER, WA 98664
VANCOUVER, WA 98664
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Olga Demina's NPI number?
The NPI number for Olga Demina is 1376819367. It was assigned to this individual provider in the NPPES registry on March 24, 2012.
Where is Olga Demina located?
Olga Demina practices at 200 NE Mother Joseph Pl Ste 400, Vancouver, WA 98664. The listed phone number is (360) 514-4444.
What is Olga Demina's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Olga Demina enrolled in Medicare?
Yes. Olga Demina is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Olga Demina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olga Demina reassigns Medicare benefits to 8 organizations: Kaiser Foundation Health Plan Of The Northwest (Portland, OR), Legacy Salmon Creek Hospital (Vancouver, WA), Legacy Clinics LLC (Portland, OR), Legacy Good Samaritan Hospital And Medical Center (Portland, OR), Providence Health & Services Mt (Thompson Falls, MT) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Olga Demina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olga Demina accept?
Health plans from Blue Cross and Blue Shield of Montana, Moda Health Plan, Inc., Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Olga Demina as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Olga Demina affiliated with any hospitals?
According to CMS data, Olga Demina is affiliated with Benefis Hospitals Inc, Northern Montana Hospital, Legacy Meridian Park Medical Center and Confluence Health Hospital.
When was this NPI record last updated?
The NPPES record for Olga Demina was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.