Yoonjee Sim, AU.D.

Primary specialty

AudiologistTaxonomy code 231H00000X

License

AUD.LD.61687218 Issued in WA

Practice address

10330 Meridian Ave N Ste 270
Seattle, WA 98133-9495

Phone

(206) 668-7100

NPI assigned

Jun 27, 2025

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

Medicare fee-for-service enrollment

Enrolled in WA

Enrollment records 1

Specialty

Qualified Audiologist

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hear Northwest PLLCGroup PAC ID 8820352578, 8 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Hear Northwest PLLC

  • Audiologist
  • Issaquah, WA
  • NPI 1215425905
  Medicare reassignment Care Compare group NPD
• Eastside Audiology & Hearing Services PS

  • Hearing and Speech Clinic/Center
  • Issaquah, WA
  • NPI 1538348719
  NPD (past)

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

{
    "created_epoch": "1750982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1104714955",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-520-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10330 MERIDIAN AVE N STE 270",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981339495",
            "telephone_number": "206-668-7100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIM",
        "first_name": "YOONJEE",
        "credential": "AU.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-27",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "WA",
            "license": "AUD.LD.61687218",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher Leon Silvey, DNP
• Danielle Jaeyoon Sim
• Hyun Seo Sim
• Jae Sim, M.D.
• Janice Sim, PA-C
• Rahel Admasu Sima, PHARMACIST
• Samrawit A. Sima, RN
• Elisabeth Simard-Tremblay, M.D.
• Christian Thomas Simard, PHARMD.
• Getu Weledemariam Sime

• Audiologist in Seattle, WA
• Providers in Seattle, WA by specialty
• Audiologist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.