NPPES file of Aug 9, 2026

Yoonjee Sim, AU.D.

Audiologist · Snohomish, WA

Yoonjee Sim, AU.D. is an audiologist with a practice address in Snohomish, Washington, and NPI 1104714955, issued on Jun 27, 2025. Check the license (Washington 61687218, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104714955
Name
Yoonjee Sim
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
61687218 WA
Self-reported in NPPES; status is on the state search
Practice location
13119 Seattle Hill RD Ste 102, Snohomish, WA 98296
Phone
(425) 399-5369
Enumerated
Jun 27, 2025
Record last updated
Jun 27, 2025
Medicare enrollment
Enrolled (PECOS I20250915000882); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 13119 Seattle Hill RD Ste 102

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shashi Churchill, AU.D.Hearing Instrument Specialist1164447793

Verify Yoonjee Sim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license 61687218
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Hear Northwest PLLCSnohomish, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yoonjee Sim among 584 audiologist records in Washington

Yoonjee Sim, AU.D. is one of 584 audiologist records with a practice address in Washington. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 95% of them.

  • NPI issued2025 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 35% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2025 · median 2014 among the 235 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Washington

There are 584 audiologist records in Washington.

The 8 audiologist records with the nearest ZIP codes

  1. Natalie White, AUDSnohomish, WA 982961982397337
  2. Terry Sanford, MA, CCC-AStanwood, WA 982921710190731
  3. Amy Becken, AU.D., CCC-ABremerton, WA 983101033158100
  4. Lynn Byrne, MSPABremerton, WA 983101750407789
  5. Chelsea Carter, AU.D.Bremerton, WA 983101518310663
  6. Robin Fiscus, AUD, CCC-ABremerton, WA 983101073864575
  7. Mark Miller, AUDBremerton, WA 983121912383894
  8. Kathryn Nethery, AUDBremerton, WA 983121811996499

Common questions

What is Yoonjee Sim, AU.D.'s NPI number?

Yoonjee Sim, AU.D.'s National Provider Identifier (NPI) is 1104714955, issued on Jun 27, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Yoonjee Sim, AU.D. located?

The NPPES record lists a practice address at 13119 Seattle Hill RD Ste 102, Snohomish, WA, 98296. Phone: (425) 399-5369. Providers update this record themselves, so call before visiting.

How can I verify Yoonjee Sim, AU.D.'s license?

NPPES lists Washington license number 61687218, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.