The 20 Best Moyamoya Disease Doctors Near Me in Ontario, CA

Find the Top Moyamoya Disease Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 29 doctor with experience in Moyamoya Disease near Ontario, CA. Of these, 22 are Experienced and 7 are Advanced.

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29 providers found
    Advanced in Moyamoya Disease

    Prakash Muthusami
    Advanced in Moyamoya Disease

    Prakash Muthusami
    555 University Ave, M5S, 
    Toronto, ON, CA 

    Prakash Muthusami practices practicing medicine in Toronto, Canada. Mr. Muthusami is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Vein of Galen Aneurysm, Moyamoya Disease, Cerebral Arteriovenous Malformation, Thrombectomy, and Endovascular Embolization.

    Advanced in Moyamoya Disease

    Gabrielle A. Deveber
    Advanced in Moyamoya Disease

    Gabrielle A. Deveber
    Toronto, ON, CA 

    Gabrielle Deveber practices practicing medicine in Toronto, Canada. Ms. Deveber is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Stroke, Thrombophlebitis, Moyamoya Disease, Thrombectomy, and Craniectomy.

    Advanced in Moyamoya Disease

    Peter B. Dirks
    Advanced in Moyamoya Disease

    Peter B. Dirks
    555 University Ave, 
    Toronto, ON, CA 

    Peter Dirks practices practicing medicine in Toronto, Canada. Mr. Dirks is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Glioma, Gliomatosis Cerebri, Medulloblastoma, Endovascular Embolization, and Liver Embolization.

    Learn about our expert tiers
    Advanced in Moyamoya Disease

    Michael Tymianski
    Advanced in Moyamoya Disease

    Michael Tymianski
    1 King's College Circle, M5S 1A8, 
    Toronto, ON, CA 

    Michael Tymianski practices practicing medicine in Toronto, Canada. Tymianski is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Stroke, Arteriovenous Malformation, Moyamoya Disease, Thrombectomy, and Nerve Decompression.

    Advanced in Moyamoya Disease

    Amanda H. Robertson
    Advanced in Moyamoya Disease

    Amanda H. Robertson
    Toronto, ON, CA 

    Amanda Robertson practices practicing medicine in Toronto, Canada. Ms. Robertson is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Moyamoya Disease, Stroke, Alternating Hemiplegia of Childhood, and Hemiplegia.

    Advanced in Moyamoya Disease

    Jorn Fierstra
    Advanced in Moyamoya Disease

    Jorn Fierstra
    1 King's College Circle, M5S 1A8, 
    Toronto, ON, CA 

    Jorn Fierstra practices practicing medicine in Toronto, Canada. Mr. Fierstra is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Stroke, Central Pain Syndrome, Arteriovenous Malformation, Cerebral Artery Bypass Surgery, and Extracranial-Intracranial Bypass Surgery.

    Advanced in Moyamoya Disease

    Daune L. Macgregor
    Advanced in Moyamoya Disease

    Daune L. Macgregor
    Toronto, ON, CA 

    Daune Macgregor practices practicing medicine in Toronto, Canada. Macgregor is rated as an Advanced expert by MediFind in the treatment of Moyamoya Disease. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Stroke, Thrombophlebitis, Moyamoya Disease, and PHACE Syndrome.

    Experienced in Moyamoya Disease

    Mahendranath D. Moharir
    Experienced in Moyamoya Disease

    Mahendranath D. Moharir
    Toronto, ON, CA 

    Mahendranath Moharir practices practicing medicine in Toronto, Canada. Moharir is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Stroke, Thrombophlebitis, Mesenteric Venous Thrombosis, Schizencephaly, and Thrombectomy.

    Experienced in Moyamoya Disease

    Pradeep Krishnan
    Experienced in Moyamoya Disease

    Pradeep Krishnan
    Toronto, ON, CA 

    Pradeep Krishnan practices practicing medicine in Toronto, Canada. Mr. Krishnan is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Distal 18q Deletion Syndrome, Ring Chromosome 18, Schizencephaly, and Hydrocephalus.

    Experienced in Moyamoya Disease

    Manohar M. Shroff
    Experienced in Moyamoya Disease

    Manohar M. Shroff
    555 University Ave, M5S, 
    Toronto, ON, CA 

    Manohar Shroff practices practicing medicine in Toronto, Canada. Shroff is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. They are also highly rated in 10 other conditions, according to our data. Their clinical expertise encompasses Optic Glioma, Distal 18q Deletion Syndrome, Ring Chromosome 18, Petrositis, and Liver Embolization.

    Experienced in Moyamoya Disease

    Trish Domi
    Experienced in Moyamoya Disease

    Trish Domi
    Toronto, ON, CA 

    Trish Domi practices practicing medicine in Toronto, Canada. Ms. Domi is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Stroke, Moyamoya Disease, Wallerian Degeneration, Alternating Hemiplegia of Childhood, and Thrombectomy.

    Experienced in Moyamoya Disease

    Robyn Westmacott
    Experienced in Moyamoya Disease

    Robyn Westmacott
    Toronto, ON, CA 

    Robyn Westmacott practices practicing medicine in Toronto, Canada. Ms. Westmacott is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Stroke, Moyamoya Disease, Memory Loss, and Focal Dystonia.

    Experienced in Moyamoya Disease

    Andrea Kassner
    Experienced in Moyamoya Disease

    Andrea Kassner
    Toronto, ON, CA 

    Andrea Kassner practices practicing medicine in Toronto, Canada. Ms. Kassner is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Sickle Cell Disease, Hemoglobinopathy, Congenital Hemolytic Anemia, and Hemolytic Anemia.

    Experienced in Moyamoya Disease

    Julien Poublanc
    Experienced in Moyamoya Disease

    Julien Poublanc
    Toronto, ON, CA 

    Julien Poublanc practices practicing medicine in Toronto, Canada. Mr. Poublanc is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. His clinical expertise encompasses Pseudotumor Cerebri Syndrome, Stroke, Moyamoya Disease, and Increased Intracranial Pressure.

    Experienced in Moyamoya Disease

    Elizabeth Pulcine
    Experienced in Moyamoya Disease

    Elizabeth Pulcine
    Toronto, ON, CA 

    Elizabeth Pulcine practices practicing medicine in Toronto, Canada. Ms. Pulcine is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Stroke, Moyamoya Disease, Brain Abscess, PHACE Syndrome, and Thrombectomy.

    Experienced in Moyamoya Disease

    Olivia Sobczyk
    Experienced in Moyamoya Disease

    Olivia Sobczyk
    Toronto, ON, CA 

    Olivia Sobczyk practices practicing medicine in Toronto, Canada. Ms. Sobczyk is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Cerebral Hypoxia, MELAS Syndrome, Sickle Cell Disease, Moyamoya Disease, and Hysterectomy.

    Experienced in Moyamoya Disease

    Adrian P. Crawley
    Experienced in Moyamoya Disease

    Adrian P. Crawley
    Toronto, ON, CA 

    Adrian Crawley practices practicing medicine in Toronto, Canada. Mr. Crawley is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. His clinical expertise encompasses Tourette Syndrome, Transient Tic Disorder, Carotid Artery Disease, and Vascular Dementia.

    Experienced in Moyamoya Disease

    Lashmi Venkatraghavan
    Experienced in Moyamoya Disease

    Lashmi Venkatraghavan
    Toronto, ON, CA 

    Lashmi Venkatraghavan practices practicing medicine in Toronto, Canada. Venkatraghavan is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Acute Pain, Brain Tumor, Low Blood Pressure, Awake Craniotomy, and Deep Brain Stimulation.

    Experienced in Moyamoya Disease

    Jay S. Han
    Experienced in Moyamoya Disease

    Jay S. Han
    Toronto, ON, CA 

    Jay Han practices practicing medicine in Toronto, Canada. Mr. Han is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. His clinical expertise encompasses Congenital Coronary Artery Malformation and Moyamoya Disease.

    Experienced in Moyamoya Disease

    Saptharishi Ganesan-Lalgudi
    Experienced in Moyamoya Disease

    Saptharishi Ganesan-Lalgudi
    London, ON, CA 

    Saptharishi Ganesan-Lalgudi practices practicing medicine in London, Canada. Ganesan-Lalgudi is rated as an Experienced expert by MediFind in the treatment of Moyamoya Disease. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Generalized Tonic-Clonic Seizure, Absence Seizure, Seizures, and Acute Respiratory Distress Syndrome (ARDS).

    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 29

    Last Updated: 04/28/2026

    What is the definition of Moyamoya Disease?

    Moyamoya disease is a disorder of blood vessels in the brain, specifically the internal carotid arteries and the arteries that branch from them. These vessels, which provide oxygen-rich blood to the brain, narrow over time. Narrowing of these vessels reduces blood flow in the brain. In an attempt to compensate, new networks of small, fragile blood vessels form. These networks, visualized by a particular test called an angiogram, resemble puffs of smoke, which is how the condition got its name: "moyamoya" is an expression meaning "something hazy like a puff of smoke" in Japanese.

    When should I see a Moyamoya Disease 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 Moyamoya Disease 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 Moyamoya Disease doctor in Ontario, CA?

    You can find a Moyamoya Disease doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Moyamoya Disease 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 Moyamoya Disease 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 Moyamoya Disease 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 Moyamoya Disease doctor search results page. 

    Why is it important to get a second opinion from a different Moyamoya Disease 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 Moyamoya Disease 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 Moyamoya Disease 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 Moyamoya Disease 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 Moyamoya Disease doctors in Ontario, CA?

    Look for the filter feature on the left side of the Moyamoya Disease 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 Moyamoya Disease doctor that offers video calls?

    Look for the filter feature on the left-side of the Moyamoya Disease 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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