Doctor profile · Federal record

Dr. Yen Chen, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Internal Medicine Physician · Snoqualmie, WA

  • NPI 1497715791
  • Accepts Medicare
  • MIPS 70.9 / 100 · 2023
  • 42 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9801 Frontier Ave Se
Snoqualmie, WA 980655200
(425) 831-2321

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 14, 2016
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Washington #MD60187269 · Pennsylvania #MD042891L
Medicaid
PA #1008256410001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497715791. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Madrigal Pharmaceuticals 1 $23.50

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
53
Patients
51
Total drug cost
$1,710
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 53 51 $1,710

Frequently asked questions

Auto-generated from federal data
What is Dr. Yen Chen's medical specialty?
Dr. Yen Chen practices Gastroenterology Physician in Snoqualmie, WA.
Where does Dr. Yen Chen practice?
Dr. Yen Chen practices at 9801 Frontier Ave Se, Snoqualmie, WA 980655200. Office phone: 4258312321.
What is Dr. Yen Chen's NPI?
Dr. Yen Chen's National Provider Identifier (NPI) is 1497715791, issued by NPPES.
Does Dr. Yen Chen accept Medicare assignment?
Yes. Dr. Yen Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.