Dr. Aileen Bui, MD

  • Duarte, CA
  • Gastroenterologist
NPI1639673478PAC ID9032558044
Part D claims, 2024
22
Publications
3
Industry payments
$44,627
Affiliated sites
1
Medical group
1
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 3 affiliations

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Dr. Aileen Bui is a gastroenterologist in Duarte, California

Dr. Bui practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Bui's NPI, 1639673478, was assigned on March 19, 2018. Dr. Bui graduated from The Warren Alpert Medical School of Brown University in 2018. Dr. Bui's California license number on file is A165723.

NPI and contact details
Medicare PAC ID
9032558044
NPI enumeration date
March 19, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Aileen Bui practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Bui's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Aileen Bui is affiliated with 2 sites of care and 1 medical group

Dr. Bui's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Bui to 1 more other site, named with a free account.

See all 3 affiliations for Dr. Bui

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Aileen Bui's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bui practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aileen Bui is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Bui's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Bui is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Bui has a license on file in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A165723 · 2019 to 2025 · taxonomy 207RG0100X

Gastroenterologists near Dr. Bui

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

1,977gastroenterologists in California
9gastroenterologists in Duarte

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Aileen Bui's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Dr. Bui's median patient age at 67, with 52% women.

Dr. Bui's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women52%
  • Men47%

Source: Dmand AI Patient Panel Data

Dr. Aileen Bui wrote 22 Medicare Part D claims in 2024

In 2024, Dr. Bui wrote 22 Medicare Part D claims for 14 patients. 82% of them were for generic drugs.

Part D claims, 202422
Part D patients14

Dr. Bui's Part D claims by kind of drug, 2024

  • Generic18 claims82%
  • Brand-name and other4 claims18%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Aileen Bui ranks in the 96th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Bui accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bui as offering telehealth. CMS counts 307 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Bui, more than 96% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Bui ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
96th percentile307 procedures
Colonoscopy
71st percentile70 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Aileen Bui has 3 publications on record

Dmand AI links 3 papers to Dr. Bui in 2020. 2020 was the busiest year, with 3. Dr. Bui's most frequent co-authors are Elizabeth Stanton Teter Aby, MD, Jihane Nejma Benhammou, BS and Debika Bhattacharya, MD.

Papers3

Dr. Bui's most frequent co-authors

Recent publications by Dr. Bui

See all 3 publications and co-authors

See who Dr. Bui researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bui works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Aileen Bui received $44,627 in industry payments from 2022 to 2025

CMS Open Payments shows 69 general payments to Dr. Bui from 13 drug and device companies from 2022 to 2025. Consulting fees make up the largest share, 84% of the total. CapsoVision, Inc. paid the most, $37,637.

General payments to Dr. Bui by program year, 2022 to 2025

General payments to Dr. Bui by kind, 2022 to 2025

$44.6Kin total
  • Consulting fees$37,63784%
  • Food and beverage$3,4068%
  • Travel and lodging$3,3798%
  • Education$2060%

Companies that paid Dr. Bui the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bui

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Aileen Bui graduated from The Warren Alpert Medical School of Brown University

Dr. Bui graduated from The Warren Alpert Medical School of Brown University in 2018.

  1. Medical schoolThe Warren Alpert Medical School of Brown University
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Aileen Bui accepts plans from 6 insurance carriers

Dr. Bui is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City

Plan types Dr. Bui accepts, by number of carriers

  1. PPO4
  2. HMO3
  3. Medicare3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Aileen Bui's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Aileen Bui

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Aileen Bui's NPI number?

Dr. Aileen Bui's NPI number is 1639673478. It was assigned on March 19, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Aileen Bui?

Dr. Aileen Bui is a gastroenterologist in Duarte, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Aileen Bui practice?

Dr. Bui practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Bui's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Bui to 1 other site.

What is Dr. Aileen Bui's office phone number?

The practice phone on file for Dr. Bui is (800) 826-4673.

What is Dr. Aileen Bui's medical license number?

Dr. Bui's California license number on file is A165723.

What medical group is Dr. Aileen Bui part of?

Dr. Bui is linked to City of Hope.

Does Dr. Aileen Bui accept Medicare?

Yes. CMS lists Dr. Bui as accepting Medicare assignment.

Does Dr. Aileen Bui offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Bui as offering telehealth services.

Is Dr. Aileen Bui board certified?

Yes. Dr. Bui is board certified in gastroenterology by the American Board of Internal Medicine.

Where did Dr. Aileen Bui go to medical school?

Dr. Bui graduated from The Warren Alpert Medical School of Brown University in 2018.

Show 5 more questionsShow fewer questions

Has Dr. Aileen Bui received payments from drug or device companies?

CMS Open Payments shows $44,627 in general payments to Dr. Bui from 13 companies from 2022 to 2025. The largest total came from CapsoVision, Inc.

How long has Dr. Aileen Bui been practicing?

Dr. Bui graduated from medical school in 2018, 8 years ago.

Does Dr. Aileen Bui do research?

Dmand AI links 3 publications to Dr. Bui.

Who does Dr. Aileen Bui publish with?

Dr. Bui's most frequent co-authors are Elizabeth Stanton Teter Aby, MD (1 shared paper), Jihane Nejma Benhammou, BS (1 shared paper) and Debika Bhattacharya, MD (1 shared paper).

What insurance does Dr. Aileen Bui accept?

Dr. Bui is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.

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