Yen S. Chen, MD
Gastroenterology Physician · Snoqualmie, WA
Yen S. Chen, MD is a gastroenterology physician with a practice address in Snoqualmie, Washington, and NPI 1497715791, issued on Mar 23, 2006. Check the license (Washington MD60187269, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Yen S. Chen
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD60187269 WA
MD042891L PA
Self-reported in NPPES; status is on the state search - Practice location
- 9801 Frontier Ave SE, Snoqualmie, WA 98065
- Phone
- (425) 831-2321
- Enumerated
- Mar 23, 2006
- Record last updated
- Jul 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 1008256410001 PA
- Medicare enrollment
- Enrolled (PECOS I20110907001256); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 9801 Frontier Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Duane Anderson, MDEmergency Medicine Physician1962443200
- Denys BezmanLicensed Vocational Nurse1396462560
- Alan Chock, MDEmergency Medicine Physician1548209091
- Carlene Chung, RPHPharmacist1346907557
- Amber Deitering, RNRegistered Nurse1083331268
- Ron E Bennett, RPHPharmacist1104582675
Verify Yen S. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60187269Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gastroenterology physician in 2024
62 Medicare Part D claims for 49 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Gavilyte-G18 claims
- Peg 3350-Electrolyte12 claims
- Peg-3350 And Electrolytes12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 70.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $23.50
1 payment: food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Public Hospital District NO 4 King County WashingtonSnoqualmie, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yen S. Chen among 533 gastroenterology physician records in Washington
Yen S. Chen, MD is one of 533 gastroenterology physician records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1984 · median 2003 among the 373 with a school on file
- Record last updated2016 · 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 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Snoqualmie → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Christopher Dire, MDRenton, WA 980551245312420
- Hyon Kim, M.D.Renton, WA 980551619124104
- Daniel O'Neill, MDRenton, WA 980551093897092
- Frederick Park, M.D., PH.D.Renton, WA 980551013113208
- William Pearce, MDRenton, WA 980551750463758
- Pankaj Rajvanshi, MDRenton, WA 980551437148749
- Joseph Roberts, MDRenton, WA 980551255607313
- Justin Taylor, M.D.Renton, WA 980551518288083
Common questions
What is Yen S. Chen, MD's NPI number?
Yen S. Chen, MD's National Provider Identifier (NPI) is 1497715791, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yen S. Chen, MD located?
The NPPES record lists a practice address at 9801 Frontier Ave SE, Snoqualmie, WA, 98065. Phone: (425) 831-2321. Providers update this record themselves, so call before visiting.
How can I verify Yen S. Chen, MD's license?
NPPES lists Washington license number MD60187269, 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 Yen S. Chen, MD prescribe under Medicare Part D?
In 2024, Yen S. Chen, MD had 62 Medicare Part D claims for 49 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Yen S. Chen, MD's MIPS final score?
The 2023 MIPS final score is 70.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.