The 20 Best Long QT Syndrome 5 Doctors Near Me in Center Radnor, PA

Find the Top Long QT Syndrome 5 Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 160 doctor with experience in Long QT Syndrome 5 near Center Radnor, PA. Of these, 117 are Experienced, 36 are Advanced and 7 are Distinguished.

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160 providers found
    Distinguished in Long QT Syndrome 5
    Distinguished in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Paul Mather is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Mather is rated as a Distinguished provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Cardiomyopathy, Heart Failure, Peripartum Cardiomyopathy, Heart Transplant, and Cardiac Ablation. Dr. Mather is board certified in Advanced Heart Failure And Transplant Cardiology, 2012. Dr. Mather is currently accepting new patients.

    Advanced in Long QT Syndrome 5
    Cardiology | Interventional Cardiology | Internal Medicine
    Advanced in Long QT Syndrome 5
    Cardiology | Interventional Cardiology | Internal Medicine

    Tower Health Medical Group Cardiology - Phoenixville

    824 Main St, Ste 306, 
    Phoenixville, PA 
     (9.8 miles away)
    Languages Spoken:
    English

    . Dr. Ledley is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Heart Attack, Inappropriate Sinus Tachycardia (IST), Ectopic Heartbeat, and Familial Ventricular Tachycardia. Dr. Ledley is board certified in American Board Of Internal Medicine.

    Distinguished in Long QT Syndrome 5
    Distinguished in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ramanan Kumareswaran is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Kumareswaran is rated as a Distinguished provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation. Dr. Kumareswaran is board certified in Clinical Cardiac Electrophysiology, 2019. Dr. Kumareswaran is currently accepting new patients.

    Learn about our expert tiers
    Distinguished in Long QT Syndrome 5
    Distinguished in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Fradley is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Fradley is rated as a Distinguished provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Myocarditis, Atrial Fibrillation, Arrhythmias, and Cardiomyopathy Due to Anthracyclines. Dr. Fradley is board certified in Clinical Cardiac Electrophysiology, 2013 and Cardiovascular Disease, 2011. Dr. Fradley is currently accepting new patients.

    Advanced in Long QT Syndrome 5
    Advanced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Genuardi is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Genuardi is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Cardiogenic Shock, Heart Failure, Cardiomyopathy, Arrhythmogenic Right Ventricular Cardiomyopathy, and Heart Transplant. Dr. Genuardi is board certified in Advanced Heart Failure And Transplant Cardiology, 2020, Cardiovascular Disease, 2018, and Internal Medicine, 2015. Dr. Genuardi is currently accepting new patients.

    Advanced in Long QT Syndrome 5
    Cardiology | Cardiac Electrophysiology
    Advanced in Long QT Syndrome 5
    Cardiology | Cardiac Electrophysiology

    Tower Health Medical Group Cardiology - Phoenixville

    824 Main St, Ste 306, 
    Phoenixville, PA 
     (9.8 miles away)
    Languages Spoken:
    English

    . Dr. Kusmirek is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Arrhythmias, Familial Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation. Dr. Kusmirek is board certified in American Board Of Internal Medicine.

    Advanced in Long QT Syndrome 5
    Advanced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Timothy Markman is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Markman is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Fainting, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Markman is board certified in Clinical Cardiac Electrophysiology, 2022, Cardiovascular Disease, 2020, and Internal Medicine, 2017. Dr. Markman is currently accepting new patients.

    Advanced in Long QT Syndrome 5
    Advanced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Saman Nazarian is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Nazarian is rated as an Advanced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Ventricular Tachycardia, Arrhythmias, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation. Dr. Nazarian is board certified in Clinical Cardiac Electrophysiology, 2008 and Cardiovascular Disease, 2006. Dr. Nazarian is currently accepting new patients.

    Distinguished in Long QT Syndrome 5
    Distinguished in Long QT Syndrome 5

    Penn Cardiology HUP - Cedar Avenue

    501 S. 54th Street, MOB Ground Floor, Suite 26, 
    Philadelphia, PA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Gerald Devaughn is a Cardiologist practicing medicine in Philadelphia, Pennsylvania. Dr. Devaughn is rated as a Distinguished provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Familial Ventricular Tachycardia, Inappropriate Sinus Tachycardia (IST), Jervell Lange-Nielsen Syndrome (JLNS), and Long QT Syndrome 1. Dr. Devaughn is board certified in Cardiovascular Disease, 1987 and Internal Medicine, 1983. Dr. Devaughn is currently accepting new patients.

    Experienced in Long QT Syndrome 5
    Cardiology | Interventional Cardiology
    Experienced in Long QT Syndrome 5
    Cardiology | Interventional Cardiology

    Tower Health Medical Group Cardiology - Phoenixville

    824 Main St, Ste 306, 
    Phoenixville, PA 
     (9.8 miles away)
    Languages Spoken:
    English

    . Dr. Ratliff is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Heart Attack, Atrial Fibrillation, Arterial Embolism, Angioplasty, and Heart Bypass Surgery. Dr. Ratliff is board certified in American Board Of Internal Medicine.

    Experienced in Long QT Syndrome 5
    Pediatric Cardiology | Pediatrics
    Experienced in Long QT Syndrome 5
    Pediatric Cardiology | Pediatrics

    St. Christopher's Pediatric Associates Cardiology - E. Erie Avenue

    160 E Erie Ave, 
    Philadelphia, PA 
     (12.8 miles away)
    Languages Spoken:
    English

    . Dr. Mortenson is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. His clinical expertise encompasses Heart Murmurs, Interrupted Aortic Arch, Fainting, and Long QT Syndrome 1. Dr. Mortenson is board certified in American Board Of Pediatrics.

    Experienced in Long QT Syndrome 5
    Pediatric Cardiology | Pediatrics
    Experienced in Long QT Syndrome 5
    Pediatric Cardiology | Pediatrics

    St. Christopher's Pediatric Associates Cardiology - E. Erie Avenue

    160 E Erie Ave, 
    Philadelphia, PA 
     (12.8 miles away)
    Languages Spoken:
    English

    . Dr. Tsirka is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Heart Murmurs, Ventricular Septal Defects, Patent Ductus Arteriosus, and Tetralogy of Fallot. Dr. Tsirka is board certified in American Board Of Pediatrics.

    Experienced in Long QT Syndrome 5
    Cardiology | Pediatrics | Pediatric Cardiology
    Experienced in Long QT Syndrome 5
    Cardiology | Pediatrics | Pediatric Cardiology

    St. Christopher's Pediatric Associates Cardiology - Jenkintown

    500 York Rd, 
    Jenkintown, PA 
     (12.9 miles away)
    Languages Spoken:
    English

    . Dr. Balluz is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Patent Ductus Arteriosus, Heart Murmurs, Ventricular Septal Defects, and Pulmonary Valve Stenosis. Dr. Balluz is board certified in American Board Of Internal Medicine and American Board Of Pediatrics.

    Experienced in Long QT Syndrome 5
    Experienced in Long QT Syndrome 5

    Office

    825 Old Lancaster Rd Ste 400, 
    Bryn Mawr, PA 
     (2.2 miles away)
    Languages Spoken:
    English

    Laura Immordino is a Cardiologist practicing medicine in Bryn Mawr, Pennsylvania. Dr. Immordino is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Atrial Fibrillation, Glucocorticoid-Remediable Aldosteronism, Hypertension, and High Cholesterol.

    Experienced in Long QT Syndrome 5
    Cardiology
    Experienced in Long QT Syndrome 5
    Cardiology

    BRYN Mawr Medical Arts Pavilion

    825 Old Lancaster Rd Ste 320, 
    Bryn Mawr,, PA 
     (2.2 miles away)
    Languages Spoken:
    English

    John Steers is a Cardiologist practicing medicine in Bryn Mawr,, Pennsylvania. Dr. Steers is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Thoracic Aortic Aneurysm, Atrial Fibrillation, High Cholesterol, and Atherosclerosis.

    Experienced in Long QT Syndrome 5
    Experienced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Alejandro Feria is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Feria is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Familial Hypertrophic Cardiomyopathy, Sengers Syndrome, Hypertrophic Cardiomyopathy (HCM), and Subvalvular Aortic Stenosis. Dr. Feria is board certified in Cardiovascular Disease, 2021 and Internal Medicine, 2018. Dr. Feria is currently accepting new patients.

    Experienced in Long QT Syndrome 5
    Experienced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Kostal is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Kostal is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Cardiomyopathy, Aortic Valve Stenosis, Atrial Fibrillation, and Atherosclerosis. Dr. Kostal is board certified in Cardiovascular Disease, 2009 and Internal Medicine, 2005. Dr. Kostal is currently accepting new patients.

    Experienced in Long QT Syndrome 5
    Experienced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Maren Jeffery is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Jeffery is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Primary Localized Cutaneous Amyloidosis, Cardiomyopathy, Degos Disease, and Pediatric Myocarditis.

    Experienced in Long QT Syndrome 5
    Experienced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Gustavo Guandalini is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Guandalini is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Ventricular Tachycardia, Arrhythmias, Ectopic Heartbeat, Cardiac Ablation, and Pacemaker Implantation. Dr. Guandalini is board certified in Clinical Cardiac Electrophysiology, 2020, Cardiovascular Disease, 2018, and Internal Medicine, 2014. Dr. Guandalini is currently accepting new patients.

    Experienced in Long QT Syndrome 5
    Experienced in Long QT Syndrome 5

    Penn Heart And Vascular Center Radnor

    145 King Of Prussia Road, Suite 110, 
    Center Radnor, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Poonam Mahato is a Cardiologist practicing medicine in Center Radnor, Pennsylvania. Dr. Mahato is rated as an Experienced provider by MediFind in the treatment of Long QT Syndrome 5. Her clinical expertise encompasses Cardiomyopathy, Sengers Syndrome, Familial Hypertrophic Cardiomyopathy, and Heart Failure. Dr. Mahato is board certified in Cardiovascular Disease, 2022 and Internal Medicine, 2019. Dr. Mahato is currently accepting new patients.

    Showing 1-20 of 160

    Last Updated: 04/28/2026

    What is the definition of Long QT Syndrome 5?

    Long Q-T syndrome 5 (LQT5) is a rare disorder of the heart’s electrical system that can be congenital (present at birth) or acquired. In long Q-T syndrome 5, 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 5, the 5 refers to the type of ion channel that is affected.

    When should I see a Long QT Syndrome 5 doctor near Center Radnor, PA?

    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 5 doctor near Center Radnor, PA?

    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 5 doctors near Center Radnor, PA?

    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 5 doctors near Center Radnor, PA?

    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 5 doctor near Center Radnor, PA?

    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 5 doctor search results page. 

    Why is it important to get a second opinion from a different Long QT Syndrome 5 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 5 doctor near Center Radnor, PA?

    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 5 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 5 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 5 doctors near Center Radnor, PA?

    Look for the filter feature on the left side of the Long QT Syndrome 5 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 5 doctor that offers video calls?

    Look for the filter feature on the left-side of the Long QT Syndrome 5 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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