NPPES file of Aug 9, 2026

Sunyoung Yoon, MD

General Practice Physician · Issaquah, WA

Sunyoung Yoon, MD is a general practice physician with a practice address in Issaquah, Washington, and NPI 1922786540, issued on Jul 5, 2023. Check the license (Washington MD.MD.61673454, as entered in NPPES) on the Washington Medical Commission; 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
1922786540
Name
Sunyoung Yoon
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License number
MD.MD.61673454 WA
Self-reported in NPPES; status is on the state search
Practice location
160 NW Gilman Blvd Ste 453, Issaquah, WA 98027
Phone
(425) 477-9181
Enumerated
Jul 5, 2023
Record last updated
Mar 4, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Sunyoung Yoon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD.MD.61673454
    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
Open the Washington license search

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99% fewer Medicare Part D claims than the average general practice physician in 2024

22 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.

  1. Sunyoung Yoon22
  2. Specialty average3,030

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.

Sunyoung Yoon among 388 general practice physician records in Washington

Sunyoung Yoon, MD is one of 388 general practice physician records with a practice address in Washington. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 66% of them.

  • NPI issued2023 · 66% of these records are older, 22% newer
  • In a Medicare fileYes · 28% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in Washington

There are 388 general practice physician records in Washington.

The 8 general practice physician records with the nearest ZIP codes

  1. Andrea Baker, FNP-CIssaquah, WA 980271740131309
  2. Jeffrey Beers, MDIssaquah, WA 980271952018954
  3. George Delaney, MDEdmonds, WA 980261093735078
  4. Efren Caratao, M.D.Kent, WA 980301366502601
  5. Tyler Reisdorph, DC, MSKent, WA 980301851976104
  6. Paul Madsen, M.D.Kent, WA 980321972759058
  7. Christopher Farac, DMDKirkland, WA 980331083772842
  8. Hjordis FoyKirkland, WA 980331821339938

Common questions

What is Sunyoung Yoon, MD's NPI number?

Sunyoung Yoon, MD's National Provider Identifier (NPI) is 1922786540, issued on Jul 5, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sunyoung Yoon, MD located?

The NPPES record lists a practice address at 160 NW Gilman Blvd Ste 453, Issaquah, WA, 98027. Phone: (425) 477-9181. Providers update this record themselves, so call before visiting.

How can I verify Sunyoung Yoon, MD's license?

NPPES lists Washington license number MD.MD.61673454, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sunyoung Yoon, MD prescribe under Medicare Part D?

In 2024, Sunyoung Yoon, MD had 22 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.

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.