Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nasya Sierra, MD

Individual provider Family Medicine Physician · NPI 1871909283

Nasya Sierra, MD is a Family Practice in Seattle, Washington. Graduated from University of Washington School of Medicine in 2017, 9 years ago. Practices with Swedish Health Services, a 23-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
9
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

550 16th Ave Ste 100
Seattle, WA 98122-5636
Phone: (206) 320-2484
Fax: (206) 320-4568
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD60959349 (WA)

Record details

NPI number1871909283
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2014
Last updated in NPPESFebruary 27, 2026
Certification dateFebruary 27, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Swedish Health Services — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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