NASYA SIERRA MD
NPI 1871909283
Family Medicine in Seattle, WA

Q: What is Nasya Sierra's NPI number?

The NPI number for Nasya Sierra is 1871909283. It was assigned to this individual provider in the NPPES registry on July 7, 2014.

Q: What is Nasya Sierra's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Nasya Sierra was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.

Active since July 07, 2014PECOS EnrolledAccepts Medicare Assignment

550 16TH AVE STE 100, SEATTLE, WA 98122(206) 320-2484(206) 320-4568 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 18, 2020, Nov 25, 2020, May 21, 2020 and 1 more (4 updates tracked since 2020).

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About Nasya Sierra Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NASYA SIERRA MD (NPI 1871909283) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD60959349) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of University Of Washington School Of Medicine (2017).

NPPES Registry Identity

NPI1871909283

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameNASYA SIERRACredential: MD

Location Address550 16TH AVE STE 100Seattle, WA 98122-5636

Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476

Phone(206) 320-2484

Fax(206) 320-4568

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2017

Enumeration DateJuly 7, 2014

Last NPPES UpdateFebruary 27, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 27, 2026

✔ NPI 1871909283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WA · MD60959349

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

550 16TH AVE STE 100, Seattle, WA 98122

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Other Identifiers 1

Medicaid2163632WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nasya Sierra Md 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.

PECOS PAC ID2163791310

PECOS Enrollment IDI20200519002985

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Medical Center

Acute Care Hospitals · Seattle, WA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500027

Location747 BroadwaySeattle, WA 98122 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KRISTIENNE EDROSOLAN MD, MPH

Student in an Organized Health Care Education/Training Program