Nasya Sierra, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD60959349 Issued in WA

Practice address

550 16TH Ave Ste 100
Seattle, WA 98122-5636

Phone

(206) 320-2484

Fax

(206) 320-4568

NPI assigned

Jul 7, 2014

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

University of Washington School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Swedish Health ServicesGroup PAC ID 4183522931, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Swedish Medical Center Hospital, Seattle, WA, CCN 500027

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nsierra1043256@wm.providencedirect.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Swedish Health Services

  dba Swedish Family Medicine Cherry Hill

  • Family Medicine Physician
  • Seattle, WA
  • NPI 1720033145
  Medicare reassignment Care Compare group NPD
• Healthpoint

  dba HealthPoint Kent Medical

  • Federally Qualified Health Center (FQHC)
  • Kent, WA
  • NPI 1831199454

  Family Medicine

  Medicare reassignment NPD
• Healthpoint

  • Federally Qualified Health Center (FQHC)
  • Seatac, WA
  • NPI 1578596748
  NPD
• Healthpoint

  dba HealthPoint White Center Medical

  • Federally Qualified Health Center (FQHC)
  • Seattle, WA
  • NPI 1770471377
  NPD
• Seattle Roots Community Health

  • Federally Qualified Health Center (FQHC)
  • Seattle, WA
  • NPI 1972623189
  NPD
• Healthpoint

  dba HealthPoint Redmond Medical

  • Federally Qualified Health Center (FQHC)
  • Redmond, WA
  • NPI 1891795621

  Family Medicine

  NPD (past)
• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1404691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1871909283",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 16TH AVE STE 100",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981225636",
            "telephone_number": "206-320-2484",
            "fax_number": "206-320-4568"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIERRA",
        "first_name": "NASYA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-07-07",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD60959349",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2163632",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julia Siegl, MT
• Lacey L Siekas, ARNP
• Tami Siemers
• Mary Katherine Siemon, RN ARNP
• Albert Richard Siems
• Bree Sievers, RN, IBCLC
• Gabrielle Sievers
• Kristen Sievert, LMFTA
• Michael Manchang Siew Jr., DDS, MD
• Michael Taksang Siew Sr., DDS

• Family Medicine Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Family Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.