Dr. Trien T. Bui, MD
- Part D claims, 2024
- 711
- Hospital affiliations
- 1
- Industry payments
- $111
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 1050 W Pacific Coast Hwy, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Harbor City, California
Find Dr. Bui's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Trien T. Bui is a gastroenterologist in Harbor City, California
Dr. Bui practices at Southern California Permanente Medical Group in Harbor City, California.
Dr. Bui's NPI, 1881742617, was assigned on January 8, 2007. Dr. Bui graduated from New York Medical College in 1995. Dr. Bui holds California license A77531.
- NPI
- 1881742617NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335329739
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Trien T. Bui practices at Southern California Permanente Medical Group in Harbor City, California
Dr. Bui's primary practice is Southern California Permanente Medical Group, at 1050 W Pacific Coast Hwy, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Southern California Permanente Medical Group1050 W Pacific Coast Hwy, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Trien T. Bui is affiliated with 2 sites of care and 1 medical group
Dr. Bui's primary practice is Southern California Permanente Medical Group in Harbor City, California. Dr. Bui is also affiliated with Kaiser Permanente South Bay Medical Center. The medical group on file is Southern California Permanente Medical Group.
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. Trien T. 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.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Trien T. 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. Dmand AI has Dr. Bui's licenses on file in 5 states: California, New York, Minnesota, Arizona and Wisconsin.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- New York license
- Minnesota license
- Arizona license
- Wisconsin license
Gastroenterologists near Dr. Bui
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Trien T. Bui's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Bui's median patient age at 59, with 70% 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 59
Patient panel by sex, all payers
- Women70%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Trien T. Bui wrote 711 Medicare Part D claims in 2024
In 2024, Dr. Bui wrote 711 Medicare Part D claims for 482 patients. 94% of them were for generic drugs. CMS names the drug for 589 of them, across 8 drugs with 11 or more claims each, at $26,401 in total drug cost. In 2023, CMS named 603 claims across 9 drugs.
Dr. Bui's Part D claims by kind of drug, 2024
- Generic671 claims94%
- Brand-name40 claims6%
Dr. Bui's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bui's Part D claims, 2024
- Antibiotics4%28 of 711 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6032024: 5892%
Drugs named by CMS: 8 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Trien T. Bui takes part in Medicare
Dr. Bui accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Trien T. Bui received $111 in industry payments from 2022 to 2025
CMS Open Payments shows 3 general payments to Dr. Bui from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $88.
General payments to Dr. Bui by program year, 2022 to 2025
Companies that paid Dr. Bui the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Trien T. Bui graduated from New York Medical College
Dr. Bui graduated from New York Medical College in 1995.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Trien T. Bui accepts plans from 2 insurance carriers
Dr. Bui is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Bui accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Trien T. Bui's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES 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 panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Trien T. 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. Trien T. Bui's NPI number?
Dr. Trien T. Bui's NPI number is 1881742617. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Trien T. Bui?
Dr. Trien T. Bui is a gastroenterologist in Harbor City, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Trien T. Bui practice?
Dr. Bui practices at 1050 W Pacific Coast Hwy, Harbor City, CA 90710. Dr. Bui's primary practice is Southern California Permanente Medical Group in Harbor City, California.
What is Dr. Trien T. Bui's office phone number?
The practice phone on file for Dr. Bui is (310) 325-5111.
What is Dr. Trien T. Bui's medical license number?
Dr. Bui holds California license A77531, one of the licenses on file in 5 states.
Which states has Dr. Trien T. Bui been licensed in?
Dmand AI has state licenses on file for Dr. Bui in California (2002 to 2027), New York (1998 to 2003), Minnesota (1998 to 2000), Arizona (1998 to 1999) and Wisconsin (1998 to 1999).
Which hospitals is Dr. Trien T. Bui affiliated with?
Dr. Bui is affiliated with Kaiser Permanente South Bay Medical Center.
What medical group is Dr. Trien T. Bui part of?
Dr. Bui is linked to Southern California Permanente Medical Group.
Does Dr. Trien T. Bui accept Medicare?
Yes. CMS lists Dr. Bui as accepting Medicare assignment.
Is Dr. Trien T. Bui board certified?
Yes. Dr. Bui is board certified in gastroenterology by the American Board of Internal Medicine.
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Where did Dr. Trien T. Bui go to medical school?
Dr. Bui graduated from New York Medical College in 1995.
What drugs does Dr. Trien T. Bui prescribe most?
In 2024 Medicare Part D data, Dr. Bui's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.
Has Dr. Trien T. Bui received payments from drug or device companies?
CMS Open Payments shows $111 in general payments to Dr. Bui from 2 companies from 2022 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Trien T. Bui been practicing?
Dr. Bui graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Trien T. Bui accept?
Dr. Bui is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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