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TRIEN T. BUI MD
NPI 1881742617
Internal Medicine - Gastroenterology in Harbor City, CA

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
25825 VERMONT AVE, HARBOR CITY, CA 90710(310) 325-5111 Get Directions Write a Review

NPPES record last updated: November 22, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Trien T. Bui Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TRIEN T. BUI MD (NPI 1881742617) is an individual gastroenterology provider in Harbor City, California, licensed in California (A77531) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1995).

NPPES Registry Identity

NPI1881742617
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTRIEN T. BUICredential: MD
Location Address25825 VERMONT AVEHarbor City, CA 90710-3518
Mailing Address25825 Vermont AveHarbor City, CA 90710-3518 · (310) 325-5111
Phone(310) 325-5111
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1995
Enumeration DateJanuary 8, 2007
Last NPPES UpdateNovember 22, 2021
✔ NPI 1881742617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A77531
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
25825 VERMONT AVE, Harbor City, CA 90710
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Trien T. Bui Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335329739
PECOS Enrollment IDI20110201000917
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90710 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SEAN KOH PHARM.D.
Pharmacist
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 325-5111
ALYSSA QUAN PHARM.D.
Pharmacist
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 517-2238
JOYHAN JAY SUNG RRT-NPS
Respiratory Therapist, Registered (Neonatal/Pediatrics)
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 517-2648
RANDEL R. KING MD
Internal Medicine (Pulmonary Disease)
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 325-5111
TIM TAKESHI SUGIYAMA
Pharmacist
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 517-2239
RYOKEI K. IMAI MD
Internal Medicine
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 325-5111
JENNIFER WING-YUN LAM MD
Internal Medicine
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 325-5111
CHRISTOPHER LOLACHI MD
Otolaryngology (Plastic Surgery within the Head & Neck)
25825 VERMONT AVE
HARBOR CITY, CA 90710
Los Angeles County (310) 325-5111

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Trien Bui's NPI number?

The NPI number for Trien Bui is 1881742617. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Trien Bui located?

Trien Bui practices at 25825 Vermont Ave, Harbor City, CA 90710. The listed phone number is (310) 325-5111.

What is Trien Bui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Trien Bui enrolled in Medicare?

Yes. Trien Bui is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Trien Bui was last updated on November 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.