Summary

Dr. Eugene Byun is a cardiologist specializing in cardiovascular disease and interventional cardiology. He earned his medical degree from Indiana University School of Medicine and completed his internship and residency at Virginia Mason Medical Center. Dr. Byun furthered his training with fellowships at Harbor-UCLA/Good Samaritan and University of California Irvine College of Medicine, completing his specialized education in 1999 and 2001. With 34 years of clinical experience, he brings extensive expertise to cardiac care. Dr. Byun provides care in English.

He practices at Saint Jude Hospital with locations in Fullerton, California. Dr. Byun focuses on treating heart rhythm disorders like atrial fibrillation and coronary artery disease, including specialized care for women with heart conditions. His procedural expertise includes performing electrocardiograms and various types of echocardiography to evaluate heart function and structure. Patients have rated Dr. Byun an average of 4.1 stars for his care.
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Overview based on verified provider data

Quick Facts

  • 4
  • 34 years of experience
  • 27 insurance plans accepted
  • speaks English
  • Harbor-Ucla/Good Samariting
  • 6 written reviews
  • 3 specialties
  • 15 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

St. Jude Heritage Fullerton - Cardiology

100 E Valencia Mesa Dr Ste 206Fullerton, CA 92835

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Eugene Byun, MDDr. Raghav Sharma, MDDr. Shamili AllamDr. Cesar Eduardo Soria Jimenez
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients
4.6 
34 Years of Experience 16 Years of Experience 9 Years of Experience 9 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Hindi
Fullerton , CAWinter Park , FLLos Alamitos , CANew York , NY
Med School: Indiana University School of Medicine Med School: New York Medical College Med School: Keck School Of Medicine Of The University Of Southern California Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine
Current Profile
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Insurance Plans Accepted by Eugene Byun

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna - HMO
  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO
  • Anthem Blue Cross HMO
  • Anthem Blue Cross Medicare Advantage
  • Anthem Blue Cross Medicare PPO
  • Anthem Blue Cross PPO
  • Blue Shield of CA HMO
  • Blue Shield of CA HMO - Trio
  • Blue Shield of CA Medicare Advantage
  • Blue Shield of CA PPO
  • Cigna HMO
  • Cigna PPO
  • Coventry/First Health PPO
  • Health Net - HMO
  • Health Net - Medicare Advantage
  • Health Net PPO
  • HealthSmart (Interplan) PPO
  • Multiplan PPO
  • Providence Health Plan - Medicare Advantage
  • SCAN Medicare Advantage
  • TriWest - Tricare
  • United Healthcare HMO
  • United HealthCare PPO
  • US Family Health Plan - TriCare
  • Vivity by Anthem Blue Cross

Medical Specialties

Eugene Byun has the following 3 specialties

Specialty Expertise

Eugene Byun has the following 15 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Cardiologist
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Interventional Cardiology
  • Stroke
  • Unstable Angina

Certifications, License, & Education

34 Years Experience

Eugene Byun holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Fellowship

Completed their fellowship at Harbor-Ucla/Good Samariting in 2001, UCI Medical Center in 1999, and University Of California Irvine College Of Medicine in 1999.

Residency

Completed their residency at Virginia Mason Medical Center in 1995.

Internship

Completed their internship at Virginia Mason Medical Center in 1993.

Medical School

Graduated from Indiana University School of Medicine in 1992.

NPI Number

Eugene Byun's NPI number is 1104812643.

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Frequently Asked Questions

Which hospitals is Eugene Byun affiliated with?
Eugene Byun is affiliated with Saint Jude Hospital.
How can I make an appointment with Eugene Byun?
You can find contact information for Eugene Byun here on Vitals.
Where is Eugene Byun's office located?
Eugene Byun's office is located at 100 E Valencia Mesa Dr Ste 206, Fullerton, CA, 92835.
Does Eugene Byun accept virtual/telehealth appointments?
Eugene Byun has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Eugene Byun accepting new patients?
Eugene Byun has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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