The 20 Best Common Variable Immune Deficiency Doctors Near Me in Ontario, CA

Find the Top Common Variable Immune Deficiency Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 14 doctor with experience in Common Variable Immune Deficiency near Ontario, CA. Of these, 13 are Experienced and 1 are Distinguished.

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14 providers found
    Distinguished in Common Variable Immune Deficiency
    Distinguished in Common Variable Immune Deficiency
    Referral may be required
    Toronto, ON, CA 

    Stephen Betschel practices practicing medicine in Toronto, Canada. Mr. Betschel is rated as a Distinguished expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Angioedema, Hereditary Angioedema, Hives, and Common Variable Immune Deficiency.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Toronto, ON, CA 

    Erika Lee practices practicing medicine in Toronto, Canada. Ms. Lee is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Anaphylaxis, Hives, Stevens-Johnson Syndrome, and Erythema Multiforme.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    St. Michael's Hospital, 30 Bond St, 
    Toronto, ON, CA 

    Babak Aberumand practices practicing medicine in Toronto, Canada. Mr. Aberumand is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. His clinical expertise encompasses Anaphylaxis, Asthma, Hives, and Grass Allergy.

    Learn about our expert tiers
    Experienced in Common Variable Immune Deficiency

    Dr. Aliya A. Khan
    Endocrinology | Geriatrics | Internal Medicine
    Experienced in Common Variable Immune Deficiency

    Dr. Aliya A. Khan
    Endocrinology | Geriatrics | Internal Medicine
    Referral required

    Bone Research And Education Centre

    3075 Hospital Gate, Suite 223, 
    Oakville, ON, CA 
    905-844-5677
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Aliya Khan is a primary care provider, practicing in Internal Medicine in Oakville, Canada. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    209 Victoria St, M5B 1T8, 
    Toronto, ON, CA 

    Samir Grover practices practicing medicine in Toronto, Canada. Mr. Grover is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Colorectal Polyps, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    1 King's College Circle, 
    Toronto, ON, CA 

    Mario Ostrowski practices practicing medicine in Toronto, Canada. Mr. Ostrowski is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses HIV/AIDS, Severe Acute Respiratory Syndrome (SARS), COVID-19, and Common Cold.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Ottawa, ON, CA 

    Michael Scaffidi practices practicing medicine in Ottawa, Canada. Mr. Scaffidi is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses COVID-19, Viral Gastroenteritis, Esophagitis, Endoscopy, and Colonoscopy.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Toronto, ON, CA 

    Neil Warner practices practicing medicine in Toronto, Canada. Mr. Warner is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Berdon Syndrome, Colitis, and Crohn's Disease.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Toronto, ON, CA 

    Eyal Grunebaum practices practicing medicine in Toronto, Canada. Mr. Grunebaum is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Adenosine Deaminase Deficiency, Purine Nucleoside Phosphorylase Deficiency, Primary Immunodeficiency (PID), and Bone Marrow Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Toronto, ON, CA 

    Aleixo Muise practices practicing medicine in Toronto, Canada. Muise is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Viral Gastroenteritis, Colitis, Atresia of Small Intestine, Ileostomy, and Bone Marrow Transplant.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Hamilton, ON, CA 

    Anna Cvetkovic practices practicing medicine in Hamilton, Canada. Ms. Cvetkovic is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. Her clinical expertise encompasses Endocarditis, Syphilis, Necrotizing Fasciitis, and Septic Arthritis.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Zain Chagla practices practicing medicine in Hamilton, Canada. Mr. Chagla is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses COVID-19, Severe Acute Respiratory Syndrome (SARS), Necrotizing Fasciitis, and Cytomegalovirus Infection.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    Toronto, ON, CA 

    Vy Kim practices practicing medicine in Toronto, Canada. Ms. Kim is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. Her clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), Secondary Immunodeficiency (SID), and Atopic Dermatitis.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency
    Referral may be required
    1151 Richmond Street, N6A 5C1, 
    London, ON, CA 

    Joanna Walsh practices practicing medicine in London, Canada. Ms. Walsh is rated as an Experienced expert by MediFind in the treatment of Common Variable Immune Deficiency. Her clinical expertise encompasses Enlarged Liver, Viral Gastroenteritis, Colitis, and Crohn's Disease.

    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 1-14 of 14

    Last Updated: 11/08/2026

    What is the definition of Common Variable Immune Deficiency?

    Common variable immune deficiency (CVID) is a disorder that impairs the immune system. People with CVID are highly susceptible to infection from foreign invaders such as bacteria, or more rarely, viruses and often develop recurrent infections, particularly in the lungs, sinuses, and ears. Pneumonia is common in people with CVID. Over time, recurrent infections can lead to chronic lung disease. Affected individuals may also experience infection or inflammation of the gastrointestinal tract, which can cause diarrhea and weight loss. Abnormal accumulation of immune cells causes enlarged lymph nodes (lymphadenopathy) or an enlarged spleen (splenomegaly) in some people with CVID. Immune cells can accumulate in other organs, forming small lumps called granulomas.

    When should I see a Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor in Ontario, CA?

    You can find a Common Variable Immune Deficiency doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctors in Ontario, CA?

    Look for the filter feature on the left side of the Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Common Variable Immune Deficiency 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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