The 20 Best Congenital Mitral Stenosis Doctors Near Me in Ontario, CA

Find the Top Congenital Mitral Stenosis Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 12 doctor with experience in Congenital Mitral Stenosis near Ontario, CA. Of these, 10 are Experienced and 2 are Advanced.

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12 providers found
    Advanced in Congenital Mitral Stenosis

    Martijn G. Slieker
    Advanced in Congenital Mitral Stenosis

    Martijn G. Slieker
    Referral may be required
    555 University Ave, 
    Toronto, ON, CA 

    Martijn Slieker practices practicing medicine in Toronto, Canada. Mr. Slieker is rated as an Advanced expert by MediFind in the treatment of Congenital Mitral Stenosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Coarctation of the Aorta, Hypoplastic Left Heart Syndrome (HLHS), Congenital Mitral Stenosis, Congenital Heart Disease (CHD), and Angioplasty.

    Advanced in Congenital Mitral Stenosis

    Osami Honjo
    Advanced in Congenital Mitral Stenosis

    Osami Honjo
    Referral may be required
    Toronto, ON, CA 

    Osami Honjo practices practicing medicine in Toronto, Canada. Honjo is rated as an Advanced expert by MediFind in the treatment of Congenital Mitral Stenosis. 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 Mitral Stenosis

    Alison J. Howell
    Experienced in Congenital Mitral Stenosis

    Alison J. Howell
    Referral may be required
    Toronto, ON, CA 

    Alison Howell practices practicing medicine in Toronto, Canada. Ms. Howell is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. Her clinical expertise encompasses Congenital Mitral Stenosis, Interrupted Aortic Arch, Atrioventricular Septal Defect, and Cerebral Hypoxia.

    Learn about our expert tiers
    Experienced in Congenital Mitral Stenosis

    Brian W. Mccrindle
    Experienced in Congenital Mitral Stenosis

    Brian W. Mccrindle
    Referral may be required
    555 University Ave, 
    Toronto, ON, CA 

    Brian Mccrindle practices practicing medicine in Toronto, Canada. Mr. Mccrindle is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Kawasaki Disease, Multisystem Inflammatory Syndrome in Children (MIS-C), Tetralogy of Fallot, Heart Transplant, and Thrombectomy.

    Experienced in Congenital Mitral Stenosis

    Christoph Haller
    Experienced in Congenital Mitral Stenosis

    Christoph Haller
    Referral may be required
    Toronto, ON, CA 

    Christoph Haller practices practicing medicine in Toronto, Canada. Mr. Haller is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hypoplastic Left Heart Syndrome (HLHS), Supravalvular Aortic Stenosis, Coarctation of the Aorta, Pulmonary Valve Stenosis, and Heart Transplant.

    Experienced in Congenital Mitral Stenosis

    Luc L. Mertens
    Experienced in Congenital Mitral Stenosis

    Luc L. Mertens
    Referral may be required
    555 University Ave, 
    Toronto, ON, CA 

    Luc Mertens practices practicing medicine in Toronto, Canada. Mr. Mertens is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Tetralogy of Fallot, Atrioventricular Septal Defect, Coarctation of the Aorta, Heart Transplant, and Kidney Transplant.

    Experienced in Congenital Mitral Stenosis

    Conall T. Morgan
    Experienced in Congenital Mitral Stenosis

    Conall T. Morgan
    Referral may be required
    555 University Ave, 
    Toronto, ON, CA 

    Conall Morgan practices practicing medicine in Toronto, Canada. Mr. Morgan is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Interrupted Aortic Arch, Congenital Mitral Stenosis, Coarctation of the Aorta, Heart Transplant, and Stent Placement.

    Experienced in Congenital Mitral Stenosis

    Bana Samman
    Experienced in Congenital Mitral Stenosis

    Bana Samman
    Referral may be required
    Toronto, ON, CA 

    Bana Samman practices practicing medicine in Toronto, Canada. Ms. Samman is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. Her clinical expertise encompasses Congenital Mitral Stenosis, Solitary Fibrous Tumor, Mitral Stenosis, and Acute Pain.

    Experienced in Congenital Mitral Stenosis

    David J. Barron
    Experienced in Congenital Mitral Stenosis

    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 Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. 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.

    Experienced in Congenital Mitral Stenosis

    William G. Williams
    Experienced in Congenital Mitral Stenosis

    William G. Williams
    Referral may be required
    555 University Ave, 
    Toronto, ON, CA 

    William Williams practices practicing medicine in Toronto, Canada. Mr. Williams is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Tricuspid Atresia, Transposition of the Great Arteries, Atrioventricular Septal Defect, and Interrupted Aortic Arch.

    Experienced in Congenital Mitral Stenosis

    Mimi X. Deng
    Experienced in Congenital Mitral Stenosis

    Mimi X. Deng
    Referral may be required
    Toronto, ON, CA 

    Mimi Deng practices practicing medicine in Toronto, Canada. Ms. Deng is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Interrupted Aortic Arch, Ebstein's Anomaly, Supravalvular Aortic Stenosis, Heart Bypass Surgery, and Coronary Artery Bypass Graft (CABG).

    Experienced in Congenital Mitral Stenosis

    Gloria Ho
    Experienced in Congenital Mitral Stenosis

    Gloria Ho
    Referral may be required
    Toronto, ON, CA 

    Gloria Ho practices practicing medicine in Toronto, Canada. Ms. Ho is rated as an Experienced expert by MediFind in the treatment of Congenital Mitral Stenosis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Glucose-6-Phosphate Translocase Deficiency, Congenital Mitral Stenosis, Von Gierke Disease, and Restless Legs Syndrome.

    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 1-12 of 12

    Last Updated: 06/30/2026

    What is the definition of Congenital Mitral Stenosis?

    Congenital mitral stenosis is when an infant is born with a narrowing of the opening of the mitral valve. The mitral valve is made of leaf-like flaps and is situated between the upper left chamber (atrium) and lower left chamber (ventricle) of the heart. Congenital mitral stenosis reduces the blood flow from the left atrium to the left ventricle. Individuals born with congenital mitral stenosis also often have other congenital heart defects.

    When should I see a Congenital Mitral Stenosis 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 Mitral Stenosis 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 Mitral Stenosis doctor in Ontario, CA?

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

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    How does MediFind rank Congenital Mitral Stenosis 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 Mitral Stenosis 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 Mitral Stenosis 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 Mitral Stenosis doctor search results page. 

    Why is it important to get a second opinion from a different Congenital Mitral Stenosis 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 Mitral Stenosis 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 Mitral Stenosis 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 Mitral Stenosis 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 Mitral Stenosis doctors in Ontario, CA?

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

    Look for the filter feature on the left-side of the Congenital Mitral Stenosis 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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