EverydayHealthLogo
JC

Dr. Joonun Choi, MD

Stamford, CT

18 Years of Experience

Accepting patients
Online booking

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Choi, Cardiologist in Stamford, CT?

    Dr. Joonun Choi, MD is a Cardiologist, who primarily practices in Stamford, CT with 2 additional practice locations. He has been practicing for over 18 years and is board certified by the American Board of Internal Medicine. Dr. Choi graduated from New York Medical College and completed his residency at St Vincent Hosp. Dr. Choi is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Choi’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Choi’s office at (203) 348-7410.

    What are Areas of Expertise for Dr. Choi?

    Dr. Joonun Choi, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Choi empowers patients to confidently navigate their health journey, specializing in Echocardiography, Non-Invasive Cardiology, Nuclear Cardiology, Preventive Cardiology, or comprehensive wellness support. Serving the Stamford/CT community, Dr. Choi is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: St Vincent Hosp

    • Medical School: New York Medical College

    Is Dr. Choi board certified in Cardiologist?

    Yes, Dr. Joonun Choi, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Choi speak?

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

    • English

    • Korean

    • Spanish

    What conditions does Dr. Choi treat?

    As a Cardiologist, Dr. Choi 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. Choi. 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.

    Also known as:

    • Heart Palpitations
    • Atrial Fibrillation
    • Slow Heart Rate
    • Premature Ventricular Contractions
    • Fast Heartbeat
    • Arrhythmia
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Bradycardia
    • Slow Pulse
    • Low Heart Rate
    • PVCs
    • Ventricular Ectopic Beats
    • Skipped Heartbeat (Ventricular)
    • Tachycardia
    • Rapid heart rate
    • Racing heart

    ICD-10 Codes:

    • R002: Palpitations
    • I4891: Unspecified atrial fibrillation
    • I480: Paroxysmal atrial fibrillation
    • R001: Bradycardia, unspecified
    • I493: Ventricular premature depolarization
    • R000: Tachycardia, unspecified

    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]

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath
    • R0609: Other forms of dyspnea

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    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:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Narrowed Aortic Valve
    • Heart Valve Disease
    • Aortic Valve Stenosis
    • Tight Aortic Valve

    ICD-10 Codes:

    • I350: Nonrheumatic aortic (valve) stenosis

    Also known as:

    • Having a Prosthetic Heart Valve
    • Heart Valve Disease
    • Artificial heart valve
    • Mechanical heart valve
    • Bioprosthetic valve

    ICD-10 Codes:

    • Z952: Presence of prosthetic heart valve

    Also known as:

    • Rheumatic Mitral and Tricuspid Valve Disease
    • Heart Valve Disease
    • Streptococcal Infection
    • Rheumatic Heart Valve Disease

    ICD-10 Codes:

    • I081: Rheumatic disorders of both mitral and tricuspid valves

    Which procedures does Dr. Choi perform as a Cardiologist?

    As a Cardiologist, procedures performed by a Dr. Joonun Choi may include:

    For detailed information, please contact Dr. Choi's office.

    Does Dr. Choi accept my insurance?

    Dr. Choi accepts most major insurance plans. Important: Please call our office at (203) 348-7410 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Choi accept in Stamford, CT?

    Dr. Choi in Stamford, CT 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

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Express Scripts

    • Medicare

    • OptumRx

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Choi's office located?

    Dr. Joonun Choi's Primary Practice

    5 High Ridge Park Ste 103

    Stamford, CT 06905

    (203) 348-7410

    Get Directions

    Dr. Joonun Choi's Practice 2

    4 Hospital Plz Ste 102

    Stamford, CT 06902

    Get Directions

    Dr. Joonun Choi's Practice 3

    75 Holly Hill Ln Ste 202

    Greenwich, CT 06830

    Get Directions

    Would you like to schedule an appointment with Dr. Joonun Choi?

    Dr. Choi has appointments available at his Stamford, CT office, as well as 2 other locations. Please select a location, date, and time below.

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

    Dr. Choi's National Provider Identifier (NPI) number is 1053583914.

    What common questions do patients ask about Dr. Choi?

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

    What is Dr. Joonun Choi's specialty?

    Dr. Choi is a Cardiologist near Stamford, CT. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Choi to book an appointment today.

    Is this Dr. Joonun Choi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Choi is affiliated with Stamford Hospital which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Cardiologist?

    Explore Cardiologist with 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 Joonun Choi accepting new patients in Stamford, CT?

    Yes, Dr. Joonun Choi is accepting new patients at this time.

    Does Dr. Joonun Choi offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Choi, or call (203) 348-7410 for more information.

    How can I make an appointment with Joonun Choi?

    Please contact Dr. Choi's office at (203) 348-7410 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Joonun Choi have?

    Dr. Joonun Choi is certified by the American Board of Internal Medicine.

    Other Cardiologist Near Stamford, CT

    acceptingPatients-iconAccepting patients
    onlineBooking-iconBook Online
    Stamford, CT
    BOOK APPOINTMENT
    acceptingPatients-iconAccepting patients
    onlineBooking-iconBook Online
    Stamford, CT
    BOOK APPOINTMENT
    SD

    Clinical Cardiac Electrophysiologist

    acceptingPatients-iconAccepting patients
    Stamford, CT
    See All Specialists

    Doctors by Category

    Specialists