SIBYL CHRISTINE SIEGFRIED M.D.
NPI 1780827568
Family Medicine in Seattle, WA
About Sibyl Christine Siegfried M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIBYL CHRISTINE SIEGFRIED M.D. (NPI 1780827568) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD 60236696) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Wisconsin School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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 and accepts Medicare assignment
Sibyl Christine Siegfried 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 Reassignments
3Medicare enrollment records show Sibyl Siegfried reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 37 clinicians in this Medicare group
Shoreline, WA 98133
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Iora Health Washington Physicians PC
- 50 clinicians in this Medicare group
Shoreline, WA 98133
- Reassigned Medicare billing, Washington enrollment
- 46 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 98107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sibyl Siegfried's NPI number?
The NPI number for Sibyl Siegfried is 1780827568. It was assigned to this individual provider in the NPPES registry on April 9, 2009.
Where is Sibyl Siegfried located?
Sibyl Siegfried practices at 5201 Ballard Ave NW, Seattle, WA 98107. The listed phone number is (206) 267-4390.
What is Sibyl Siegfried's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sibyl Siegfried enrolled in Medicare?
Yes. Sibyl Siegfried 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 Sibyl Siegfried's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sibyl Siegfried reassigns Medicare benefits to 3 organizations: One Medical Group, Inc. (Seattle, WA), Iora Health Washington Physicians, P.C. (Shoreline, WA) and Iora Senior Health, LLC (Shoreline, 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 Sibyl Siegfried's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sibyl Siegfried accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Sibyl Siegfried 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 Sibyl Siegfried was last updated on March 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Sibyl Christine Siegfried, M.D. · NPI 1780827568
Family Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 9, 2009.
## Identity
- **NPI:** 1780827568 (Entity type: Individual)
- **Enumerated:** April 9, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD 60236696 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 5201 BALLARD AVE NW, Seattle, WA 98107-4809
- **Phone:** (206) 267-4390
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): One Medical Group, Inc. (NPI 1023899978, Seattle, WA); Iora Health Washington Physicians, P.C. (NPI 1275042053, Shoreline, WA); Iora Senior Health, LLC (NPI 1871997965, Shoreline, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1780827568) · Data from the CMS NPPES public registry.