Doctor profile · Federal record

Dr. Aileen Bui, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Duarte, CA

  • NPI 1639673478
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(800) 826-4673
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
July 17, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A165723

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639673478. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,123
Transactions
14
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 11 $1,793.45
Cook Medical LLC 3 $329.19

By nature of payment

Travel and Lodging
$1,235
Food and Beverage
$682
Education
$206

Frequently asked questions

Auto-generated from federal data
What is Dr. Aileen Bui's medical specialty?
Dr. Aileen Bui practices Gastroenterology Physician in Duarte, CA.
Where does Dr. Aileen Bui practice?
Dr. Aileen Bui practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 8008264673.
What is Dr. Aileen Bui's NPI?
Dr. Aileen Bui's National Provider Identifier (NPI) is 1639673478, issued by NPPES.
Does Dr. Aileen Bui accept Medicare assignment?
Yes. Dr. Aileen Bui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.