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PROVIDER PROFILE · NPI 1104812643

Eugene ByunMD

CardiologyFullerton, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050168
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
7,151
Beneficiaries
—
Total drug cost
$1.1M
Distinct drugs
65
Brand share
24.0%
Top prescribed drugs
Atorvastatin Calcium597 claims
Metoprolol Succinate428 claims
Furosemide385 claims
Apixaban360 claims
Amlodipine Besylate350 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
58
By payment type
Food and Beverage$1K
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,234
Unique beneficiaries
—
Total services
3,154
Distinct HCPCS
25
Medicare payment
$162K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,869 Cardiology providers in CA — above median (cohort median 2,371).
REFERRAL NETWORK

Where Eugene Byun'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). 62 inbound referrers · 154 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ST JUDE HOSPITAL INC335769
Victor Lee
Pathology · Oceanside, CA
330847
Ramesh Rathod
Interventional Cardiology · Fullerton, CA
129242
Danh Nguyen
Diagnostic Radiology · Riverside, CA
88149
Charles Suh
Interventional Cardiology · Fullerton, CA
84155
Bradley Jackson
Diagnostic Radiology · Fullerton, CA
67112
Hao Ngo
Diagnostic Radiology · Fullerton, CA
67116
Unilab Corporation
Clinical Laboratory · West Hills, CA
63132
Arman Forouzannia
Diagnostic Radiology · Lynnwood, WA
60108
STAMBUK, EDGAR5289
UNGER, PHILLIP4175
Iksoo Kang
Emergency Medicine · Fullerton, CA
3756
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ST JUDE HOSPITAL INC417985
Victor Lee
Pathology · Oceanside, CA
305768
ST JUDE HOSPITAL INC201323
Jeffrey Dell
Internal Medicine · Fullerton, CA
153335
Jay Han
Cardiology · Fullerton, CA
141284
Ramesh Rathod
Interventional Cardiology · Fullerton, CA
134232
Timmy Joseph
Interventional Radiology · Los Angeles, CA
134228
Harry Peled
Cardiology · Los Angeles, CA
127396
Jesus Vera
Interventional Cardiology · Fullerton, CA
123219
Edward Lee
Interventional Cardiology · Fullerton, CA
121243
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
119245
Bradley Jackson
Diagnostic Radiology · Fullerton, CA
102216
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.