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 · 2024

Total received

$19K

Payment records

127

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$15K

Food and Beverage$4K

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