What is Christopher Bui's specialty?

Christopher Bui (NPI 1811061468) is a Medicare-billing provider whose primary specialty is Internal Medicine in Santa Ana, CA.

Where does Christopher Bui practice?

Christopher Bui practices in Santa Ana, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1811061468.

How much does Medicare pay Christopher Bui?

Christopher Bui (NPI 1811061468) received approximately $216K in total Medicare Part B payments, serving 973 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811061468

Christopher BuiMD

Internal MedicineSanta Ana, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,324

Unique beneficiaries

—

Total services

1,973

Distinct HCPCS

Medicare payment

$214K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

12,023

Beneficiaries

—

Total drug cost

$6.0M

Distinct drugs

Brand share

51.1%

Top prescribed drugs

Famotidine2,371 claims

Lipase/Protease/Amylase1,112 claims

Dexlansoprazole1,096 claims

Pantoprazole Sodium885 claims

Linaclotide873 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$14K

Payment records

153

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10K

Food and Beverage$4K

Travel and Lodging$362

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10K

Food and Beverage$4K

Travel and Lodging$362

REFERRAL NETWORK

Where Christopher Bui's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 29 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mile Square Surgery Center Inc Ambulatory Surgical Center · Fountain Valley, CA	186	335
Ellie Lekov Pathology · Danville, CA	131	235
Unilab Corporation Clinical Laboratory · West Hills, CA	76	148
WONG, LARRY	64	102
Tao Duong Cardiology · Westminster, CA	41	103
Khoi Tang Urology · Garden Grove, CA	38	72
Kamini Malhotra, M.D Inc Clinical Laboratory · Fountain Valley, CA	28	74
VU, KHANH	23	31
CASSIDY, DAVID	22	56
Nicholas Tran Internal Medicine · Westminster, CA	22	51
Mehdi Jalili Diagnostic Radiology · Orange, CA	21	76
Hoang Le Pulmonary Disease · Fountain Valley, CA	21	61

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events