Trien Bui, MD
NPI 1881742617 · Gastroenterology Physician · Harbor City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trien Bui, MD is a Gastroenterology Physician provider in Harbor City, CA (NPI 1881742617).
Provider details
- NPI number
- 1881742617
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A77531 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 339 | 330 |
| Omeprazole | 145 | 77 |
| Pantoprazole Sodium | 34 | 20 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 19 | 12 |
| Famotidine | 17 | 12 |
| Adalimumab-Attobrand: Amjevita(cf) | 12 | — |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-11-22
Frequently asked questions
- What is Trien Bui's NPI number?
- Trien Bui's National Provider Identifier (NPI) is 1881742617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trien Bui's specialty?
- Trien Bui is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Trien Bui located?
- Trien Bui's practice location on file with NPPES is 25825 Vermont Ave, Harbor City, CA 90710-3518.
- What is Trien Bui's phone number?
- The practice phone number listed in the NPPES registry for Trien Bui is (310) 325-5111.
- Does Trien Bui accept Medicare?
- Trien Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trien Bui's NPI active?
- Yes — Trien Bui's NPI (1881742617) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.