NPPES file of Aug 9, 2026

Boyon Yun, ARNP

Family Nurse Practitioner · Mercer Island, WA

Boyon Yun, ARNP is a family nurse practitioner with a practice address in Mercer Island, Washington, and NPI 1750708269, issued on Mar 21, 2014. Check the license (Washington AP60434025, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750708269
Name
Boyon Yun
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
AP60434025 WA
RN60283446 WA
Self-reported in NPPES; status is on the state search
Practice location
3236 78TH Ave SE Ste 200, Mercer Island, WA 98040
Phone
(206) 275-5060
Enumerated
Mar 21, 2014
Record last updated
Jun 28, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(206) 275-5061
Medicaid ID
1750708269 WA
Medicare enrollment
Enrolled (PECOS I20140709001556); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →

Also registered at 3236 78TH Ave SE Ste 200

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

  1. Andrea Chang, DOEndocrinology, Diabetes & Metabolism Physician1689065468
  2. Keith Luther, MDInternal Medicine Physician1912001652
  3. Rebecca Nebel, ARNPFamily Nurse Practitioner1982022356
  4. Alexandra Styhl, MDInternal Medicine Physician1689254500
  5. Stephen Walston, MDInternal Medicine Physician1578887519

Verify Boyon Yun 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 AP60434025    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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62% fewer Medicare Part D claims than the average family nurse practitioner in 2024

495 Medicare Part D claims for 231 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Boyon Yun495
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium18 claims
  2. Paxlovid18 claims
  3. Levothyroxine Sodium17 claims
  4. Losartan Potassium17 claims
  5. Azithromycin14 claims
  6. Furosemide11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $123.00

1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Boyon Yun$123.00
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Swedish Health ServicesMercer Island, WA

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

Boyon Yun among 3,781 family nurse practitioner records in Washington

Boyon Yun, ARNP is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 40% of them.

  • NPI issued2014 · 40% of these records are older, 57% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2013 · median 2018 among the 2,116 with a school on file
  • Record last updated2018 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Nurse Practitioner providers in Washington

There are 3,781 family nurse practitioner records in Washington.

All 3,781 in Washington → Every provider in Mercer Island → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Chloe KimMercer Island, WA 980401477391720
  2. Rebecca Nebel, ARNPMercer Island, WA 980401982022356
  3. Kathleen Gayle Boado, NPMaple Valley, WA 980381043846207
  4. Michelle Bowden, ARNPCovington, WA 980421114698859
  5. Susana CaroCovington, WA 980421790243343
  6. Richanne Cunningham, FNP-CMaple Valley, WA 980381548848328
  7. Travis Dalton, ARNPMaple Valley, WA 980381235394321
  8. April Francisco, FNP-BCCovington, WA 980421518211069

Common questions

What is Boyon Yun, ARNP's NPI number?

Boyon Yun, ARNP's National Provider Identifier (NPI) is 1750708269, issued on Mar 21, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Boyon Yun, ARNP located?

The NPPES record lists a practice address at 3236 78TH Ave SE Ste 200, Mercer Island, WA, 98040. Phone: (206) 275-5060. Providers update this record themselves, so call before visiting.

How can I verify Boyon Yun, ARNP's license?

NPPES lists Washington license number AP60434025, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Boyon Yun, ARNP prescribe under Medicare Part D?

In 2024, Boyon Yun, ARNP had 495 Medicare Part D claims for 231 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.