The 20 Best Brain Aneurysm Doctors Near Me in Ontario, CA

Find the Top Brain Aneurysm Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 66 doctor with experience in Brain Aneurysm near Ontario, CA. Of these, 53 are Experienced, 8 are Advanced and 5 are Distinguished.

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66 providers found
    Distinguished in Brain Aneurysm

    Mervyn I. Vergouwen
    Distinguished in Brain Aneurysm

    Mervyn I. Vergouwen
    2075 Bayview Ave, 
    Toronto, ON, CA 

    Mervyn Vergouwen practices practicing medicine in Toronto, Canada. Mr. Vergouwen is rated as a Distinguished expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Subarachnoid Hemorrhage, Brain Aneurysm, Pulmonary Edema, Stroke, and Thrombectomy.

    Distinguished in Brain Aneurysm

    Vitor M. Pereira
    Distinguished in Brain Aneurysm

    Vitor M. Pereira
    St. Michael's Hospital, 
    Toronto, ON, CA 

    Vitor Pereira practices practicing medicine in Toronto, Canada. Mr. Pereira is rated as a Distinguished expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Stroke, Brain Aneurysm, Arteriovenous Malformation, Thrombectomy, and Liver Embolization.

    Distinguished in Brain Aneurysm

    Cheemun M. Lum
    Distinguished in Brain Aneurysm

    Cheemun M. Lum
    Ottawa, ON, CA 

    Cheemun Lum practices practicing medicine in Ottawa, Canada. Lum is rated as a Distinguished expert by MediFind in the treatment of Brain Aneurysm. They are also highly rated in 7 other conditions, according to our data. Their clinical expertise encompasses Brain Aneurysm, Stroke, Transient Ischemic Attack (TIA), Endovascular Embolization, and Thrombectomy.

    Learn about our expert tiers
    Distinguished in Brain Aneurysm

    Howard J. Lesiuk
    Distinguished in Brain Aneurysm

    Howard J. Lesiuk
    Ottawa, ON, CA 

    Howard Lesiuk practices practicing medicine in Ottawa, Canada. Mr. Lesiuk is rated as a Distinguished expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Brain Aneurysm, Subarachnoid Hemorrhage, Carotid Artery Disease, Endovascular Embolization, and Thrombectomy.

    Distinguished in Brain Aneurysm

    Marlise P. Dos Santos
    Distinguished in Brain Aneurysm

    Marlise P. Dos Santos
    Ottawa, ON, CA 

    Marlise Dos Santos practices practicing medicine in Ottawa, Canada. Ms. Dos Santos is rated as a Distinguished expert by MediFind in the treatment of Brain Aneurysm. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Brain Aneurysm, Choroid Plexus Papilloma, Hemangioma, Thrombectomy, and Endovascular Embolization.

    Advanced in Brain Aneurysm

    Thomas R. Marotta
    Advanced in Brain Aneurysm

    Thomas R. Marotta
    St. Michael's Hospital, 
    Toronto, ON, CA 

    Thomas Marotta practices practicing medicine in Toronto, Canada. Mr. Marotta is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Subarachnoid Hemorrhage, Brain Aneurysm, Stroke, Thrombectomy, and Stent Placement.

    Advanced in Brain Aneurysm

    Nicole M. Cancelliere
    Advanced in Brain Aneurysm

    Nicole M. Cancelliere
    Toronto, ON, CA 

    Nicole Cancelliere practices practicing medicine in Toronto, Canada. Ms. Cancelliere is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Brain Aneurysm, Stroke, Tinnitus, Thrombectomy, and Stent Placement.

    Advanced in Brain Aneurysm

    Donatella Tampieri
    Advanced in Brain Aneurysm

    Donatella Tampieri
    Kingston, ON, CA 

    Donatella Tampieri practices practicing medicine in Kingston, Canada. Ms. Tampieri is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Polymicrogyria, Cortical Dysplasia, Brain Aneurysm, Thrombectomy, and Carotid Artery Surgery.

    Advanced in Brain Aneurysm

    Vitor Pereira-Mendes
    Advanced in Brain Aneurysm

    Vitor Pereira-Mendes
    St. Michael's Hospital, 
    Toronto, ON, CA 

    Vitor Pereira-Mendes practices practicing medicine in Toronto, Canada. Mr. Pereira-Mendes is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Brain Aneurysm, Pseudotumor Cerebri Syndrome, Increased Intracranial Pressure, Thrombectomy, and Stent Placement.

    Advanced in Brain Aneurysm

    David A. Steinman
    Advanced in Brain Aneurysm

    David A. Steinman
    Toronto, ON, CA 

    David Steinman practices practicing medicine in Toronto, Canada. Mr. Steinman is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Brain Aneurysm, Carotid Artery Disease, and Atherosclerosis.

    Advanced in Brain Aneurysm

    Robert Fahed
    Advanced in Brain Aneurysm

    Robert Fahed
    Ottawa, ON, CA 

    Robert Fahed practices practicing medicine in Ottawa, Canada. Mr. Fahed is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Stroke, Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Thrombectomy, and Stent Placement.

    Advanced in Brain Aneurysm

    Ivan Radovanovic
    Advanced in Brain Aneurysm

    Ivan Radovanovic
    Toronto, ON, CA 

    Ivan Radovanovic practices practicing medicine in Toronto, Canada. Mr. Radovanovic is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Brain Aneurysm, Liver Embolization, and Gamma Knife Radiosurgery.

    Advanced in Brain Aneurysm

    Ronit F. Agid
    Advanced in Brain Aneurysm

    Ronit F. Agid
    399 Bathurst Street, 
    Toronto, ON, CA 

    Ronit Agid practices practicing medicine in Toronto, Canada. Mr. Agid is rated as an Advanced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Arteriovenous Malformation, Brain Aneurysm, Hemangioma, Thrombectomy, and Liver Embolization.

    Experienced in Brain Aneurysm

    Brian A. Van Adel
    Experienced in Brain Aneurysm

    Brian A. Van Adel
    Hamilton, ON, CA 

    Brian Van Adel practices practicing medicine in Hamilton, Canada. Mr. Van Adel is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Stroke, Brain Aneurysm, Arteriovenous Malformation, Thrombectomy, and Endovascular Embolization.

    Experienced in Brain Aneurysm

    Rafael S. Glikstein
    Experienced in Brain Aneurysm

    Rafael S. Glikstein
    Box 232, General Campus Room 1466e, 501 Smyth Road, K1H 8L6, 
    Ottawa, ON, CA 

    Rafael Glikstein practices practicing medicine in Ottawa, Canada. Mr. Glikstein is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Brain Tumor, Meningioma, Brain Aneurysm, and Brain Stem Cancer.

    Experienced in Brain Aneurysm

    Sandra E. Fischer
    Experienced in Brain Aneurysm

    Sandra E. Fischer
    1 King's College Circle, 
    Toronto, ON, CA 

    Sandra Fischer practices practicing medicine in Toronto, Canada. Ms. Fischer is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, Non-Alcoholic Fatty Liver Disease, Liver Transplant, and Gastric Bypass.

    Experienced in Brain Aneurysm

    David Volders
    Experienced in Brain Aneurysm

    David Volders
    Toronto, ON, CA 

    David Volders practices practicing medicine in Toronto, Canada. Mr. Volders is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Stroke, Brain Aneurysm, Arteriovenous Malformation, Thrombectomy, and Angioplasty.

    Experienced in Brain Aneurysm

    Karel G. Terbrugge
    Experienced in Brain Aneurysm

    Karel G. Terbrugge
    263 McCaul St, 
    Toronto, ON, CA 

    Karel Terbrugge practices practicing medicine in Toronto, Canada. Terbrugge is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Hereditary Hemorrhagic Telangiectasia, Thrombectomy, and Liver Embolization.

    Experienced in Brain Aneurysm

    Airton L. De Oliveira Manoel
    Experienced in Brain Aneurysm

    Airton L. De Oliveira Manoel
    Toronto, ON, CA 

    Airton De Oliveira Manoel practices practicing medicine in Toronto, Canada. De Oliveira Manoel is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Subarachnoid Hemorrhage, Hydrocephalus, Brain Aneurysm, Increased Intracranial Pressure, and Craniectomy.

    Experienced in Brain Aneurysm

    Robert A. Willinsky
    Experienced in Brain Aneurysm

    Robert A. Willinsky
    Toronto, ON, CA 

    Robert Willinsky practices practicing medicine in Toronto, Canada. Mr. Willinsky is rated as an Experienced expert by MediFind in the treatment of Brain Aneurysm. His clinical expertise encompasses Brain Aneurysm, Low Blood Pressure, Periventricular Heterotopia, Focal or Multifocal Malformations in Neuronal Migration, and Thrombectomy.

    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 66

    Last Updated: 04/28/2026

    What is the definition of Brain Aneurysm?

    An aneurysm is a weak area in the wall of a blood vessel that causes the blood vessel to bulge or balloon out. When an aneurysm occurs in a blood vessel of the brain, it is called an intracranial aneurysm. These usually occur around or under the part of the brain called the cerebrum and, when this is true, are called a cerebral aneurysm.

    When should I see a Brain Aneurysm 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 Brain Aneurysm 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 Brain Aneurysm doctor in Ontario, CA?

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

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    How does MediFind rank Brain Aneurysm 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 Brain Aneurysm 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 Brain Aneurysm 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 Brain Aneurysm doctor search results page. 

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

    Look for the filter feature on the left side of the Brain Aneurysm 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 Brain Aneurysm doctor that offers video calls?

    Look for the filter feature on the left-side of the Brain Aneurysm 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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