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Family Practice

Sibyl Siegfried, MD

Sees patients in Shoreline, WA · Seattle, WA · Washington

Summary

Sibyl Siegfried, MD (Family Practice) is enrolled with Medicare at 3 practice locations in Shoreline, WA and Seattle, WA. NPI 1780827568. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sibyl Siegfried, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
University Of Wisconsin School Of MedicineMedical school
FemaleGender (as listed)
One Medical Group IncGroup practice (+1 more)

Quick answers

Where does Sibyl Siegfried see patients?
Medicare's clinician data lists 3 practice locations, including Shoreline, WA and Seattle, WA. Call before your visit to confirm the address.
What is Sibyl Siegfried's specialty?
Medicare lists Family Practice as the primary specialty.
Does Sibyl Siegfried accept Medicare assignment?
Yes. Medicare's clinician data says Sibyl Siegfried 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.
Does Sibyl Siegfried offer telehealth?
Medicare's clinician data says Sibyl Siegfried offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sibyl Siegfried?
(206) 518-9021, as listed in official Medicare / NPI Registry data.
What is Sibyl Siegfried's NPI number?
1780827568. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sibyl Siegfried is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sibyl Siegfried as a member of these groups (CMS data updated 2026-10-02).

  • One Medical Group Inc331 clinicians in the group
  • Iora Health Washington Physicians PC36 clinicians in the group

Specialties

Find other Family Practice doctors in Washington →

Other family doctors in Shoreline

Clinicians with the same Medicare primary specialty in Shoreline, WA — not a recommendation.

All family doctors in Shoreline →

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780827568
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians