Dr. Sibyl Siegfried, MD
Concierge Family Medicine physician, Seattle, WA
One MedicalDr. Siegfried is a board-certified family medicine physician who has been with One Medical since 2015 and sees patients of all ages in Seattle.
Facts on this page last checked October 2026. How we check doctors
About Dr. Siegfried
Dr. Siegfried studied at the University of Wisconsin School of Medicine and Public Health and did her residency at Kaiser Permanente Family Medicine Residency. She is board certified by the American Board of Family Medicine. She has been with One Medical since 2015, and in Seattle since 2019.
She enjoys building relationships and caring for people over time, and she sees all ages. She sees patients at One Medical's Ballard office in Seattle.
Membership and fees
One Medical is a membership-based primary care practice.
Education and credentials
Location
Recognition and research
Media and books
Patient reviews
Amazing!
"Guided me in choosing the best treatment option."
Awesome!
"Enlightened me about my condition."
Great!
"Very professional care and consult."
Questions patients ask
Does Dr. Siegfried take insurance, or offer a membership?
One Medical is a membership-based primary care practice. The practice also works with patients' insurance like a regular doctor's office.
Is Dr. Siegfried board certified?
Yes, she is board certified by the American Board of Family Medicine.
Where did Dr. Siegfried train?
She studied at the University of Wisconsin School of Medicine and Public Health and did her residency at Kaiser Permanente Family Medicine Residency.
Where is Dr. Siegfried's office?
Dr. Siegfried sees patients at One Medical's Ballard office in Seattle.
Does Dr. Siegfried offer telehealth?
The practice offers on-demand video calls and video visits.
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