The 20 Best Long QT Syndrome 3 Doctors Near Me in Scottsdale, AZ

Find the Top Long QT Syndrome 3 Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 41 doctor with experience in Long QT Syndrome 3 near Scottsdale, AZ. Of these, 38 are Experienced and 3 are Advanced.

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41 providers found
    Advanced in Long QT Syndrome 3
    Advanced in Long QT Syndrome 3

    Orthopedic Specialists Of North America - Osna

    3033 N 44th St Ste 100, 
    Phoenix, AZ 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Guarraia is a Cardiologist practicing medicine in Phoenix, Arizona. Dr. Guarraia is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Atherosclerosis, Angina, and Heart Failure. Dr. Guarraia is board certified in American Board Of Internal Medicine. Dr. Guarraia is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Orthopedic Specialists Of North America - Osna

    3033 N 44th St Ste 100, 
    Phoenix, AZ 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kelly Wingerter is a Cardiologist practicing medicine in Phoenix, Arizona. Dr. Wingerter is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Heart Failure, Pulmonary Edema, Angina, and Long QT Syndrome 3. Dr. Wingerter is board certified in American Board Of Internal Medicine. Dr. Wingerter is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Cardiac Electrophysiology
    Experienced in Long QT Syndrome 3
    Cardiac Electrophysiology

    Cardiac Cath Lab Of Phoenix

    1910 E Thomas Rd Ste 101, 
    Phoenix, AZ 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Siamak Rassadi is a Cardiac Electrophysiologist practicing medicine in Phoenix, Arizona. Dr. Rassadi is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Heart Murmurs, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation. Dr. Rassadi is board certified in American Board Of Internal Medicine. Dr. Rassadi is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Long QT Syndrome 3
    Pediatric Cardiology | Pediatrics
    Advanced in Long QT Syndrome 3
    Pediatric Cardiology | Pediatrics

    SJHMC Hospital Services

    350 W Thomas Rd, 
    Phoenix, AZ 
     (9.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    To help people achieve health for life. Dr. Rhee is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Familial Ventricular Tachycardia, Inappropriate Sinus Tachycardia (IST), Cardiac Ablation, and Pacemaker Implantation. Dr. Rhee is board certified in Pediatrics and Pediatrics (Sub: Pediatric Cardiology). Dr. Rhee is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Pediatric Cardiology | Cardiology | Pediatrics
    Experienced in Long QT Syndrome 3
    Pediatric Cardiology | Cardiology | Pediatrics

    Dignity Health Medical Group Maternal Fetal Medicine - St Joseph's

    500 W Thomas Rd, Suite 700, 
    Phoenix, AZ 
     (9.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    My philosophy of care is built upon life-long learning and improvement to provide state-of-the-art high quality cardiac care to all age patients with congenital or suspected heart disease from fetal life through adult congenital cardiology patients of all ages.My care model is based on honesty and trust to establish strong relationships to develop the best care plan using all members of the cardiology team including the patient, parents,  family members, nursing, ancillary support, primary care physicians, specialists, surgeons and colleagues. I thoroughly enjoy my work and career within the ever-advancing world of cardiology. My goal is positive, energetic patient-centered complete cardiac care. Dr. Puntel is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Ventricular Septal Defects, Right Ventricle Hypoplasia, Pulmonary Atresia with Intact Ventricular Septum, Pulmonary Artery Agenesis, and Aneurysm Repair. Dr. Puntel is board certified in Pediatrics and Pediatrics (Sub: Pediatric Cardiology). Dr. Puntel is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Interventional Cardiology
    Experienced in Long QT Syndrome 3
    Interventional Cardiology

    Orthopedic Specialists Of North America - Osna

    3033 N 44th St Ste 100, 
    Phoenix, AZ 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Saxon is an Interventional Cardiologist practicing medicine in Phoenix, Arizona. Dr. Saxon is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Aortic Valve Stenosis, Patent Foramen Ovale, Atrial Septal Defect (ASD), Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Saxon is board certified in American Board Of Internal Medicine. Dr. Saxon is currently accepting new patients.

    Advanced in Long QT Syndrome 3
    Cardiac Electrophysiology | Cardiology
    Advanced in Long QT Syndrome 3
    Cardiac Electrophysiology | Cardiology

    Honorhealth Cardiac Arrhythmia Group

    10120 N 92nd St, 100, 
    Scottsdale, AZ 
     (6.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ankur Karnik is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Scottsdale, Arizona. Dr. Karnik is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Atrial Fibrillation, Ectopic Heartbeat, Cardiac Ablation, and Pacemaker Implantation. Dr. Karnik is board certified in Clinical Cardiac Electrophysiology, Cardiovascular Disease, and Certified Cardiac Device Specialist. Dr. Karnik is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Internal Medicine
    Experienced in Long QT Syndrome 3
    Internal Medicine

    Valleywise Comprehensive Health Center

    2525 E Roosevelt St, 
    Phoenix, AZ 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Azar Mehdizadeh is an Internal Medicine provider practicing medicine in Phoenix, Arizona. Dr. Mehdizadeh is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Arrhythmias, and Fainting.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Valleywise Health Medical Center

    2601 E Roosevelt St, 
    Phoenix,, AZ 
     (6.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Casondra Moore is a Cardiologist practicing medicine in Phoenix,, Arizona. Dr. Moore is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Arrhythmias, and Brugada Syndrome.

    Experienced in Long QT Syndrome 3
    Cardiology | Pediatrics | Pediatric Cardiology
    Experienced in Long QT Syndrome 3
    Cardiology | Pediatrics | Pediatric Cardiology

    Arizona Pediatric Cardiology

    1919 E Thomas Road, 2nd Floor Heart Center, 
    Phoenix, AZ 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Damon Dixon is a Cardiologist and a Pediatrics provider practicing medicine in Phoenix, Arizona. Dr. Dixon is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Ventricular Septal Defects, Patent Ductus Arteriosus, and Isthmian Coarctation. Dr. Dixon is board certified in Pediatrics and Pediatrics (Sub: Pediatric Cardiology). Dr. Dixon is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Pediatric Cardiology | Pediatrics
    Experienced in Long QT Syndrome 3
    Pediatric Cardiology | Pediatrics

    PCH Cardiology

    1919 E Thomas Rd, Main Bldg, 
    Phoenix, AZ 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    To help people achieve health for life. Dr. Papez is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Congenital Heart Block, Long QT Syndrome, Arrhythmias, and Ventricular Septal Defects. Dr. Papez is board certified in Internal Medicine (Sub: Adult Congenital Heart Diseas and Pediatrics (Sub: Pediatric Cardiology). Dr. Papez is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Cigna Healthcare Of AZ Outpatient Surg

    755 E McDowell Rd, 
    Phoenix,, AZ 
     (8.4 miles away)
    Languages Spoken:
    English

    Beeletsega Yeneneh is a Cardiologist practicing medicine in Phoenix,, Arizona. Dr. Yeneneh is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Arrhythmias, Patent Foramen Ovale Repair, and Heart Transplant.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Office

    2227 W Baseline Rd Ste 101, 
    Tempe,, AZ 
     (9.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nadeem Husain is a Cardiologist practicing medicine in Tempe,, Arizona. Dr. Husain is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Peripheral Artery Disease, Arterial Insufficiency, Angina, and Carotid Artery Disease.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Dignity Health Heart And Vascular Institute

    500 W Thomas Rd Ste 850, 
    Phoenix, AZ 
     (9.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mehrdad Saririan is a Cardiologist practicing medicine in Phoenix, Arizona. Dr. Saririan is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Arrhythmias, Cardiac Ablation, and Pacemaker Implantation.

    Experienced in Long QT Syndrome 3
    Cardiology
    Experienced in Long QT Syndrome 3
    Cardiology

    AZ - Heart

    13400 E Shea Blvd, 
    Scottsdale, AZ 
     (9.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Simper is a Cardiologist practicing medicine in Scottsdale, Arizona. Dr. Simper is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Angina, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.

    Experienced in Long QT Syndrome 3
    Cardiology
    Experienced in Long QT Syndrome 3
    Cardiology

    Mayo Clinic Building Scottsdale

    13400 E Shea Blvd, 
    Scottsdale,, AZ 
     (9.6 miles away)
    Languages Spoken:
    English

    Howard Lee is a Cardiologist practicing medicine in Scottsdale,, Arizona. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Doxorubicin-Induced Cardiomyopathy, Cardiomyopathy Due to Anthracyclines, Atrial Fibrillation, and Coronary Heart Disease.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Mayo Clinic Building Scottsdale

    13400 E Shea Blvd, 
    Scottsdale, AZ 
     (9.6 miles away)
    Languages Spoken:
    English

    Kelley Kennedy is a Cardiologist practicing medicine in Scottsdale, Arizona. Dr. Kennedy is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Mitral Valve Regurgitation, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Mayo Clinic Building Scottsdale

    13400 E Shea Blvd, 
    Scottsdale,, AZ 
     (9.6 miles away)
    Languages Spoken:
    English

    Christopher Appleton is a Hematologist practicing medicine in Scottsdale,, Arizona. Dr. Appleton is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Cardiomyopathy, Constrictive Pericarditis, Sengers Syndrome, Familial Hypertrophic Cardiomyopathy, and Pacemaker Implantation.

    Experienced in Long QT Syndrome 3
    Interventional Cardiology
    Experienced in Long QT Syndrome 3
    Interventional Cardiology

    Chandler Cardiology Associates

    1850 W Frye Rd Ste 101, 
    Chandler, AZ 
     (12.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ahtisham Shakoor is an Interventional Cardiologist practicing medicine in Chandler, Arizona. Dr. Shakoor is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Familial Hypertriglyceridemia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Atherosclerosis. Dr. Shakoor is board certified in American Board Of Internal Medicine. Dr. Shakoor is currently accepting new patients.

    Experienced in Long QT Syndrome 3
    Experienced in Long QT Syndrome 3

    Premier Cardiovascular Center

    77 S Dobson Rd, 
    Chandler, AZ 
     (13.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ziad Khoury is a Cardiologist practicing medicine in Chandler, Arizona. Dr. Khoury is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 3. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Cardiomyopathy, Sick Sinus Syndrome, Atrial Fibrillation, and Pacemaker Implantation. Dr. Khoury is board certified in American Board Of Internal Medicine. Dr. Khoury is currently accepting new patients.

    Showing 1-20 of 41

    Last Updated: 04/28/2026

    What is the definition of Long QT Syndrome 3?

    Long Q-T syndrome 3 (LQT3) is a rare disorder of the heart’s electrical system that can be congenital (present at birth) or acquired. In long Q-T syndrome 3, there is a defect in ion channels in the cells of the heart, causing a delay in how long it takes for the heart’s electrical system to recharge after each heartbeat. The Q-T interval on an electrocardiogram (ECG) represents the time it takes for the heart’s electrical system to fire an impulse through the heart’s ventricles and then recharge; in other words, how long it takes for the heart muscle to contract and then recover. In long Q-T syndrome 3, the 3 refers to the type of ion channel that is affected.

    When should I see a Long QT Syndrome 3 doctor near Scottsdale, AZ?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Long QT Syndrome 3 doctor near Scottsdale, AZ?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Long QT Syndrome 3 doctors near Scottsdale, AZ?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Long QT Syndrome 3 doctors near Scottsdale, AZ?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Long QT Syndrome 3 doctor near Scottsdale, AZ?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Long QT Syndrome 3 doctor search results page. 

    Why is it important to get a second opinion from a different Long QT Syndrome 3 doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Long QT Syndrome 3 doctor near Scottsdale, AZ?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Long QT Syndrome 3 doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Long QT Syndrome 3 doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Long QT Syndrome 3 doctors near Scottsdale, AZ?

    Look for the filter feature on the left side of the Long QT Syndrome 3 doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Long QT Syndrome 3 doctor that offers video calls?

    Look for the filter feature on the left-side of the Long QT Syndrome 3 doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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