DR. THUCAN TIMOTHY BUI DO
NPI 1003493404
Emergency Medicine in Loma Linda, CA

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
78.25/100
CMS Quality Rating
11234 ANDERSON ST, LOMA LINDA, CA 92350(909) 558-4344 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 28, 2026, Jun 25, 2021, Mar 24, 2021 (3 updates tracked since 2021).

About Dr. Thucan Timothy Bui Do NPPES

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

DR. THUCAN TIMOTHY BUI DO (NPI 1003493404) is an individual emergency medicine provider in Loma Linda, California, licensed in California (23921) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Hattiesburg, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1003493404
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. THUCAN TIMOTHY BUICredential: DO
Location Address11234 ANDERSON STLoma Linda, CA 92350-1716
Mailing Address11234 Anderson StLoma Linda, CA 92350-1716 · (909) 558-7171
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateApril 28, 20263 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
NPI 1003493404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in CA · 23921 Licensed in MS · 30887
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
11234 ANDERSON ST, Loma Linda, CA 92350

Other Names 1

Former Name (1)Andy Timothy Bui

Secondary Practice Location 1

Location 15001 Hardy StHattiesburg, MS 39402-1308 · Phone (601) 296-3963

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

Dr. Thucan Timothy Bui Do 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 ID8628462926
PECOS Enrollment IDI20251229000411
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
36 services35 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
29 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92350 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.88
Improvement Activities40

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.

Orthopaedic Surgery
11234 ANDERSON ST
LOMA LINDA, CA 92350
Clinical Nurse Specialist (Neonatal)
11234 ANDERSON ST
LOMA LINDA, CA 92350
Physician Assistant
11234 ANDERSON ST
LOMA LINDA, CA 92350
Ophthalmology (Retina Specialist)
11234 ANDERSON ST
LOMA LINDA, CA 92350
Radiology (Diagnostic Radiology)
11234 ANDERSON ST
LOMA LINDA, CA 92350
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350
Student in an Organized Health Care Education/Training Program
11234 ANDERSON ST
LOMA LINDA, CA 92350

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 Thucan Bui's NPI number?

The NPI number for Thucan Bui is 1003493404. It was assigned to this individual provider in the NPPES registry on March 24, 2021. The provider is also known as Andy Timothy Bui.

Where is Thucan Bui located?

Thucan Bui practices at 11234 Anderson St, Loma Linda, CA 92350. The listed phone number is (909) 558-4344.

What is Thucan Bui's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thucan Bui enrolled in Medicare?

Yes. Thucan 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 Thucan Bui was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.