GWEN BERNACKI MD
NPI 1134319791
Internal Medicine - Cardiovascular Disease in Seattle, WA
About Gwen Bernacki Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GWEN BERNACKI MD (NPI 1134319791) is an individual cardiovascular disease provider in Seattle, Washington, licensed in Washington (MD6094847) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gwen Bernacki Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Gwen Bernacki reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 566 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98195 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Gwen Bernacki's NPI number?
The NPI number for Gwen Bernacki is 1134319791. It was assigned to this individual provider in the NPPES registry on July 30, 2007.
Where is Gwen Bernacki located?
Gwen Bernacki practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 598-4300.
What is Gwen Bernacki's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Gwen Bernacki enrolled in Medicare?
Yes. Gwen Bernacki is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gwen Bernacki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gwen Bernacki reassigns Medicare benefits to 2 organizations: The Association Of University Physicians (Seattle, WA) and Overlake Medical Clinics LLC (Bellevue, WA). 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 Gwen Bernacki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gwen Bernacki accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Gwen Bernacki 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.
When was this NPI record last updated?
The NPPES record for Gwen Bernacki was last updated on February 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.