DR. YANCY MARC BELLIS M.D.
NPI 1154357127
Emergency Medicine in Bellevue, WA
About Dr. Yancy Marc Bellis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YANCY MARC BELLIS M.D. (NPI 1154357127) is an individual emergency medicine provider in Bellevue, Washington, licensed in Washington (MD00042265) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of University Of New Mexico School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Yancy Marc Bellis M.d. 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 Reassignment
Medicare enrollment records show Yancy Bellis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 50 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Overlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98004 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.
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 Yancy Bellis's NPI number?
The NPI number for Yancy Bellis is 1154357127. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Yancy Bellis located?
Yancy Bellis practices at 1035 116th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 688-5000.
What is Yancy Bellis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Yancy Bellis enrolled in Medicare?
Yes. Yancy Bellis 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 organization bills Medicare for Yancy Bellis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yancy Bellis reassigns Medicare benefits to Puget Sound Physicians PLLC (Bellevue, WA). The 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 Yancy Bellis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yancy Bellis accept?
Health plans from Ambetter Health list Yancy Bellis 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 Yancy Bellis affiliated with any hospitals?
According to CMS data, Yancy Bellis is affiliated with Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Yancy Bellis was last updated on June 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Yancy Marc Bellis, M.D. · NPI 1154357127
Emergency Medicine physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1154357127 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD00042265 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1035 116TH AVE NE, Bellevue, WA 98004-4604
- **Phone:** (425) 688-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Puget Sound Physicians PLLC (NPI 1801900501, Bellevue, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** June 18, 2012
- **Other identifiers:** Medicare PIN 8801056 (WA); Medicare UPIN A84852 (WA); Medicaid 8352171 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1154357127) · Data from the CMS NPPES public registry.