The 20 Best Congenital Heart Block Doctors Near Me in Ontario, CA

Find the Top Congenital Heart Block Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 24 doctor with experience in Congenital Heart Block near Ontario, CA. Of these, 19 are Experienced, 2 are Advanced, 2 are Distinguished and 1 are Elite.

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24 providers found
    Elite in Congenital Heart Block

    Edgar T. Jaeggi
    Elite in Congenital Heart Block

    Edgar T. Jaeggi
    Referral may be required
    555 University Avenue, 
    Toronto, ON, CA 

    Edgar Jaeggi practices practicing medicine in Toronto, Canada. Mr. Jaeggi is rated as an Elite expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Ebstein's Anomaly, Congenital Heart Block, Heart Block, Hypoplastic Left Heart Syndrome (HLHS), and Septoplasty.

    Distinguished in Congenital Heart Block

    Earl D. Silverman
    Distinguished in Congenital Heart Block

    Earl D. Silverman
    Referral may be required
    Toronto, ON, CA 

    Earl Silverman practices practicing medicine in Toronto, Canada. Mr. Silverman is rated as a Distinguished expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Congenital Heart Block, Lupus Nephritis, and Heart Block.

    Distinguished in Congenital Heart Block

    Elizabeth A. Stephenson
    Distinguished in Congenital Heart Block

    Elizabeth A. Stephenson
    Referral may be required
    555 University Avenue, 
    Toronto, ON, CA 

    Elizabeth Stephenson practices practicing medicine in Toronto, Canada. Ms. Stephenson is rated as a Distinguished expert by MediFind in the treatment of Congenital Heart Block. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Wolff-Parkinson-White Syndrome, Congenital Heart Block, Ventricular Fibrillation, Congenital Heart Disease (CHD), and Heart Transplant.

    Learn about our expert tiers
    Advanced in Congenital Heart Block

    David J. Barron
    Advanced in Congenital Heart Block

    David J. Barron
    Referral may be required
    555 University Ave, M5G 1X8, 
    Toronto, ON, CA 

    David Barron practices practicing medicine in Toronto, Canada. Mr. Barron is rated as an Advanced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Tetralogy of Fallot, Hypoplastic Left Heart Syndrome (HLHS), Pulmonary Atresia, Patent Foramen Ovale Repair, and Heart Transplant.

    Advanced in Congenital Heart Block

    Pascal N. Tyrrell
    Advanced in Congenital Heart Block

    Pascal N. Tyrrell
    Referral may be required
    Toronto, ON, CA 

    Pascal Tyrrell practices practicing medicine in Toronto, Canada. Mr. Tyrrell is rated as an Advanced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Neonatal Onset Multisystem Inflammatory Disease, Muckle-Wells Syndrome, Familial Cold Autoinflammatory Syndrome, Vasculitis, and Thrombectomy.

    Experienced in Congenital Heart Block

    Greg A. Ryan
    Experienced in Congenital Heart Block

    Greg A. Ryan
    Referral may be required
    Mount Sinai Hospital, 
    ON, CA 

    Greg Ryan practices practicing medicine in Canada. Mr. Ryan is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Twin-To-Twin Transfusion Syndrome, Hemolytic Disease of the Newborn, Hydrops Fetalis, Endoscopy, and Septoplasty.

    Experienced in Congenital Heart Block

    Yuval Bitterman
    Experienced in Congenital Heart Block

    Yuval Bitterman
    Referral may be required
    Toronto, ON, CA 

    Yuval Bitterman practices practicing medicine in Toronto, Canada. Bitterman is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Tetralogy of Fallot, Myocardial Contusion, Congenital Heart Block, and Ebstein's Anomaly.

    Experienced in Congenital Heart Block

    Michael N. Gritti
    Experienced in Congenital Heart Block

    Michael N. Gritti
    Referral may be required
    Toronto, ON, CA 

    Michael Gritti practices practicing medicine in Toronto, Canada. Mr. Gritti is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Tetralogy of Fallot, Congenital Heart Block, Pulmonary Valve Stenosis, and Transposition of the Great Arteries.

    Experienced in Congenital Heart Block

    Carl A. Laskin
    Experienced in Congenital Heart Block

    Carl A. Laskin
    Referral may be required
    27 King's College Cir, M5S, 
    Toronto, ON, CA 

    Carl Laskin practices practicing medicine in Toronto, Canada. Mr. Laskin is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Antiphospholipid Syndrome, Placental Insufficiency, Systemic Lupus Erythematosus (SLE), and Heart Block.

    Experienced in Congenital Heart Block

    Linda T. Hiraki
    Experienced in Congenital Heart Block

    Linda T. Hiraki
    Referral may be required
    Toronto, ON, CA 

    Linda Hiraki practices practicing medicine in Toronto, Canada. Ms. Hiraki is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Glomerulonephritis, and End-Stage Renal Disease (ESRD).

    Experienced in Congenital Heart Block

    Tim Van Mieghem
    Experienced in Congenital Heart Block

    Tim Van Mieghem
    Referral may be required

    Mount Sinai Hospital

    ON, CA 

    Tim Van Mieghem practices practicing medicine in Canada. Mr. Van Mieghem is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Congenital Diaphragmatic Hernia, Diaphragmatic Hernia, Twin-To-Twin Transfusion Syndrome, Endoscopy, and Kidney Transplant.

    Experienced in Congenital Heart Block

    Ronald M. Laxer
    Experienced in Congenital Heart Block

    Ronald M. Laxer
    Referral may be required
    Toronto, ON, CA 

    Ronald Laxer practices practicing medicine in Toronto, Canada. Mr. Laxer is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Localized Scleroderma, Chronic Recurrent Multifocal Osteomyelitis, Osteomyelitis in Children, Osteomyelitis, and Tissue Biopsy.

    Experienced in Congenital Heart Block

    Johannes Keunen
    Experienced in Congenital Heart Block

    Johannes Keunen
    Referral may be required

    Mount Sinai Hospital

    ON, CA 

    Johannes Keunen practices practicing medicine in Canada. Mr. Keunen is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Twin-To-Twin Transfusion Syndrome, Cystic Adenomatoid Malformation of Lung, Fetal Edema, Hydrops Fetalis, and Endoscopy.

    Experienced in Congenital Heart Block

    Michael D. Fridman
    Experienced in Congenital Heart Block

    Michael D. Fridman
    Referral may be required
    Toronto, ON, CA 

    Michael Fridman practices practicing medicine in Toronto, Canada. Mr. Fridman is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. His clinical expertise encompasses Kawasaki Disease, Coronary Artery Aneurysm, Congenital Heart Block, and Vasculitis.

    Experienced in Congenital Heart Block

    Osami Honjo
    Experienced in Congenital Heart Block

    Osami Honjo
    Referral may be required
    Toronto, ON, CA 

    Osami Honjo practices practicing medicine in Toronto, Canada. Honjo is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. They are also highly rated in 20 other conditions, according to our data. Their clinical expertise encompasses Hypoplastic Left Heart Syndrome (HLHS), Pulmonary Atresia, Ventricular Septal Defects, Heart Transplant, and Thrombectomy.

    Experienced in Congenital Heart Block

    Lusia Sepiashvili
    Experienced in Congenital Heart Block

    Lusia Sepiashvili
    Referral may be required
    Toronto, ON, CA 

    Lusia Sepiashvili practices practicing medicine in Toronto, Canada. Ms. Sepiashvili is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. Her clinical expertise encompasses Congenital Heart Block, Heart Block, Ascites, Severe Acute Respiratory Syndrome (SARS), and Gallbladder Removal.

    Experienced in Congenital Heart Block

    David A. Chiasson
    Experienced in Congenital Heart Block

    David A. Chiasson
    Referral may be required
    Toronto, ON, CA 

    David Chiasson practices practicing medicine in Toronto, Canada. Mr. Chiasson is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. His clinical expertise encompasses Pulmonary Supravalvular Stenosis, Supravalvular Aortic Stenosis, Cri-Du-Chat Syndrome, Cat Eye Syndrome, and Heart Transplant.

    Experienced in Congenital Heart Block

    Lawrence K. Ng
    Experienced in Congenital Heart Block

    Lawrence K. Ng
    Referral may be required
    Toronto, ON, CA 

    Lawrence Ng practices practicing medicine in Toronto, Canada. Mr. Ng is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Hemophagocytic Lymphohistiocytosis, Lupus Nephritis, and Non-Langerhans-Cell Histiocytosis.

    Experienced in Congenital Heart Block

    Diptendu Chatterjee
    Experienced in Congenital Heart Block

    Diptendu Chatterjee
    Referral may be required
    Room 1725D, 555 University Avenue, 
    Toronto, ON, CA 

    Diptendu Chatterjee practices practicing medicine in Toronto, Canada. Chatterjee is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Arrhythmogenic Right Ventricular Cardiomyopathy, Fetal Alcohol Syndrome (FAS), Cardiomyopathy, and Brugada Syndrome.

    Experienced in Congenital Heart Block

    Enes E. Gul
    Experienced in Congenital Heart Block

    Enes E. Gul
    Referral may be required
    Armstrong 3, 76 Stuart Street, 
    Kingston, ON, CA 

    Enes Gul practices practicing medicine in Kingston, Canada. Ms. Gul is rated as an Experienced expert by MediFind in the treatment of Congenital Heart Block. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Heart Block, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation.

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-20 of 24

    Last Updated: 06/30/2026

    What is the definition of Congenital Heart Block?

    Congenital heart block is a rare condition that affects the heart's electrical system, which controls and coordinates its pumping function. In infants affected by this condition, the electrical signal that spreads across the heart and causes it to contract and pump blood, is slowed or completely interrupted. This can interfere with the heart's normal rate and rhythm and may significantly limit the ability of the heart to pump blood to the rest of the body. Congenital heart block generally develops between 18 and 33 weeks of pregnancy. The underlying cause of the condition is poorly understood. However, mothers with lupus or another autoimmune diseases and parents with congenital heart disorders have an increased risk of having a child with a Congenital heart block.

    When should I see a Congenital Heart Block doctor in Ontario, CA?

    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 Congenital Heart Block doctor in Ontario, CA?

    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 do I find the best Congenital Heart Block doctor in Ontario, CA?

    You can find a Congenital Heart Block doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Congenital Heart Block doctors in Ontario, CA?

    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 Congenital Heart Block doctors in Ontario, CA?

    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 Congenital Heart Block doctor in Ontario, CA?

    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 Congenital Heart Block doctor search results page. 

    Why is it important to get a second opinion from a different Congenital Heart Block 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 Congenital Heart Block doctor in Ontario, CA?

    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 Congenital Heart Block 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 Congenital Heart Block 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 Congenital Heart Block doctors in Ontario, CA?

    Look for the filter feature on the left side of the Congenital Heart Block 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 Congenital Heart Block doctor that offers video calls?

    Look for the filter feature on the left-side of the Congenital Heart Block 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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