The 20 Best Activated PI3K Delta Syndrome (APDS) Doctors in Canada

Find the Top Activated PI3K Delta Syndrome (APDS) Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 12 doctor with experience in Activated PI3K Delta Syndrome (APDS) near Canada. Of these, 8 are Experienced and 4 are Advanced.

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12 providers found
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Julia M. Upton
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Julia M. Upton
    Referral may be required
    Toronto, ON, CA 

    Julia Upton practices practicing medicine in Toronto, Canada. Ms. Upton is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Anaphylaxis, Food Allergy, Activated PI3K Delta Syndrome (APDS), and Asthma.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Malena Mahendran
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Malena Mahendran
    Referral may be required
    Montreal, QC, CA 

    Malena Mahendran practices practicing medicine in Montreal, Canada. Ms. Mahendran is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), Rett Syndrome, Urinary Tract Infection (UTI), and Asthma.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Guillaume Germain
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Guillaume Germain
    Referral may be required
    Montreal, QC, CA 

    Guillaume Germain practices practicing medicine in Montreal, Canada. Mr. Germain is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Asthma, Primary Mediastinal B-Cell Lymphoma (PMBCL), and Activated PI3K Delta Syndrome (APDS).

    Learn about our expert tiers
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Francois Laliberte
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Francois Laliberte
    Referral may be required
    Montreal, QC, CA 

    Francois Laliberte practices practicing medicine in Montreal, Canada. Mr. Laliberte is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Venous Thromboembolism (VTE), Atrial Fibrillation, Deep Vein Thrombosis, Hormone Replacement Therapy (HRT), and Oophorectomy.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Sharon D. Dell
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Sharon D. Dell
    Referral may be required
    Vancouver, BC, CA 

    Sharon Dell practices practicing medicine in Vancouver, Canada. Dell is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). They are also highly rated in 14 other conditions, according to our data. Their clinical expertise encompasses Ciliary Dyskinesia-Bronchiectasis, Drug Induced Dyskinesia, Dextrocardia, and Dextrocardia with Situs Inversus.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Ana Urosevic
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Ana Urosevic
    Referral may be required
    Montreal, QC, CA 

    Ana Urosevic practices practicing medicine in Montreal, Canada. Ms. Urosevic is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Her clinical expertise encompasses Activated PI3K Delta Syndrome (APDS).

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Gillian L. Dornan
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Gillian L. Dornan
    Referral may be required
    Victoria, BC, CA 

    Gillian Dornan practices practicing medicine in Victoria, Canada. Ms. Dornan is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Her clinical expertise encompasses PIK3CA-Related Overgrowth Spectrum, Primary Immunodeficiency (PID), and Activated PI3K Delta Syndrome (APDS).

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Russanthy R. Velummailum
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Russanthy R. Velummailum
    Referral may be required
    Toronto, ON, CA 

    Russanthy Velummailum practices practicing medicine in Toronto, Canada. Velummailum is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their clinical expertise encompasses Activated PI3K Delta Syndrome (APDS) and West Nile Virus Infection.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Jennifer K. Grossman
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Jennifer K. Grossman
    Referral may be required
    Calgary, AB, CA 

    Jennifer Grossman practices practicing medicine in Calgary, Canada. Ms. Grossman is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Histiocytosis, and Reticulohistiocytoma.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Chenthila Nagamuthu
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Chenthila Nagamuthu
    Referral may be required
    Toronto, ON, CA 

    Chenthila Nagamuthu practices practicing medicine in Toronto, Canada. Nagamuthu is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their clinical expertise encompasses Neuroepithelioma, Diffuse Large B-Cell Lymphoma (DLBCL), B-Cell Lymphoma, and Non-Hodgkin Lymphoma.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Meredith L. Jenkins
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Meredith L. Jenkins
    Referral may be required
    Victoria, BC, CA 

    Meredith Jenkins practices practicing medicine in Victoria, Canada. Jenkins is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Their clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), PIK3CA-Related Overgrowth Spectrum, and Toxoplasmosis.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Louis Dron
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Louis Dron
    Referral may be required
    Vancouver, BC, CA 

    Louis Dron practices practicing medicine in Vancouver, Canada. Mr. Dron is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His clinical expertise encompasses Severe Acute Respiratory Syndrome (SARS), COVID-19, and Activated PI3K Delta Syndrome (APDS).

    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 Activated PI3K Delta Syndrome (APDS)?

    Activated PI3K-delta syndrome (also known as APDS) is a disorder that impairs the immune system. Individuals with this condition often have low numbers of white blood cells (lymphopenia), particularly B cells and T cells. Normally, these cells recognize and attack foreign invaders, such as viruses and bacteria, to prevent infection. The severity of activated PI3K-delta syndrome varies widely. Some people may have multiple, severe infections while others show mild symptoms to none at all.

    When should I see an Activated PI3K Delta Syndrome (APDS) doctor in Canada?

    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 an Activated PI3K Delta Syndrome (APDS) doctor in Canada?

    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 Activated PI3K Delta Syndrome (APDS) doctor in Canada?

    You can find an Activated PI3K Delta Syndrome (APDS) doctor in any of the 10 largest U.S. cities by clicking below:

    Activated PI3K Delta Syndrome (APDS) doctor near New York, NY
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    Activated PI3K Delta Syndrome (APDS) doctor near Philadelphia, PA
    Activated PI3K Delta Syndrome (APDS) doctor near Atlanta, GA
    Activated PI3K Delta Syndrome (APDS) doctor near Boston, MA
    Activated PI3K Delta Syndrome (APDS) doctor near Dallas, TX
    Activated PI3K Delta Syndrome (APDS) doctor near San Jose, CA

    How does MediFind rank Activated PI3K Delta Syndrome (APDS) doctors in Canada?

    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 Activated PI3K Delta Syndrome (APDS) doctors in Canada?

    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 an Activated PI3K Delta Syndrome (APDS) doctor in Canada?

    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 Activated PI3K Delta Syndrome (APDS) doctor search results page. 

    Why is it important to get a second opinion from a different Activated PI3K Delta Syndrome (APDS) 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 an Activated PI3K Delta Syndrome (APDS) doctor in Canada?

    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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) doctors in Canada?

    Look for the filter feature on the left side of the Activated PI3K Delta Syndrome (APDS) 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 an Activated PI3K Delta Syndrome (APDS) doctor that offers video calls?

    Look for the filter feature on the left-side of the Activated PI3K Delta Syndrome (APDS) 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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