Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Yen S Chen, MD

Individual provider Gastroenterology Physician · NPI 1497715791

Yen S Chen, MD is a Gastroenterology in Snoqualmie, Washington. Graduated from Boston University School of Medicine in 1984, 42 years ago. Practices with Public Hospital District No 4 King County Washington, a 84-clinician group and accepts Medicare assignment. Licensed in Pennsylvania and Washington.

Years since qualifying
42
Trained at
Boston University School of Medicine
Licensed in
PA, WA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9801 Frontier Ave SE
Snoqualmie, WA 98065-5200
Phone: (425) 831-2321
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD60187269 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD042891L (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60187269 (WA)

Record details

NPI number1497715791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESJuly 14, 2016
Mailing address9801 Frontier Ave Se, Snoqualmie, WA 98065-5200

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Public Hospital District No 4 King County Washington — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount