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Dr. Eugene Byun, MD

Fullerton, CA

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Byun, Interventional Cardiologist in Fullerton, CA?

    Dr. Eugene Byun, MD is an Interventional Cardiologist, who primarily practices in Fullerton, CA with 2 additional practice locations. He has been practicing for over 27 years and is board certified. Dr. Byun completed his residency at Univ Ca Irvine Med Ctr, Cardiovascular Diseases; Virginia Mason Med Ctr, Internal Medicine. Dr. Byun is fluent in English and Spanish, and is currently seeing new patients. Dr. Byun’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Byun’s office at (714) 446-5050.

    Where did Dr. Byun go to medical school and complete their residency?

    • Fellowship: (Cardiovascular Disease), UNIVERSITY CA IRVINE MEDICAL CENTER, ORANGE, CA

    • Residency: Univ Ca Irvine Med Ctr, Cardiovascular Diseases; Virginia Mason Med Ctr, Internal Medicine | Virginia Mason Medical Center

    • Medical School: In Univ Sch of Med, Indianapolis In

    Is Dr. Byun board certified as an Interventional Cardiologist?

    Yes, Dr. Eugene Byun, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Byun speak?

    Dr. Byun and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does an Interventional Cardiologist like Dr. Byun typically treat?

    As an Interventional Cardiologist, Dr. Byun diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Byun. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Therapeutic Drug Monitoring
    • Drug level testing
    • Medication monitoring
    • Therapeutic drug management

    ICD-10 Codes:

    • Z5181: Encounter for therapeutic drug level monitoring

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    What procedures does an Interventional Cardiologist like Dr. Byun typically perform?

    As an Interventional Cardiologist, procedures performed by Dr. Eugene Byun may include:

    Please contact Dr. Byun's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Byun accept my insurance?

    Dr. Byun accepts most major insurance plans. Important: Please call our office at (714) 446-5050 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Byun accept in Fullerton, CA?

    Dr. Byun in Fullerton, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene Corporation

    • City of Los Angeles

    • CVS Health (formerly Aetna)

    • Medicare

    • Monarch HealthCare

    • Other Health Care Provider

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Byun's office located?

    Dr. Eugene Byun's Primary Practice

    100 E Valencia Mesa Dr Ste 206

    Fullerton, CA 92835

    (714) 446-5050

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    Dr. Eugene Byun's Practice 2

    1100 W Stewart Dr

    Orange, CA 92868

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    Dr. Eugene Byun's Practice 3

    27700 Medical Center Rd

    Mission Viejo, CA 92691

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    What is Dr. Byun's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Byun's National Provider Identifier (NPI) number is 1104812643.

    What common questions do patients ask about Dr. Byun?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Byun

    What is Dr. Eugene Byun's specialty?

    Dr. Byun is a Interventional Cardiologist near Fullerton, CA.

    What does an Interventional Cardiologist do?

    A branch of medicine within cardiology that employs advanced imaging and diagnostic techniques to assess blood flow and pressure in the coronary arteries and heart chambers. This specialty also utilizes technical procedures and medications to address abnormalities that affect cardiovascular function.

    Is this Dr. Eugene Byun affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Byun is affiliated with Providence St. Jude Medical Center, Providence St. Jude Medical Center, Uci Medical Center, Ahmc Anaheim Regional Medical Center, Hoag Hospital Newport Beach, Kaiser Permanente Orange County - Anaheim Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see an Interventional Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Interventional Cardiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Eugene Byun accepting new patients in Fullerton, CA?

    Yes, Dr. Eugene Byun is accepting new patients at this time.

    Does Dr. Eugene Byun offer online booking?

    Please contact Dr. Byun's office at (714) 446-5050 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Eugene Byun?

    Please contact Dr. Byun's office at (714) 446-5050 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Eugene Byun have?

    Dr. Eugene Byun is certified by the American Board of Internal Medicine.

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