The 20 Best Hypereosinophilic Syndrome Doctors Near Me in Ontario, CA

Find the Top Hypereosinophilic Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 48 doctor with experience in Hypereosinophilic Syndrome near Ontario, CA. Of these, 36 are Experienced, 8 are Advanced, 3 are Distinguished and 1 are Elite.

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48 providers found
    Elite in Hypereosinophilic Syndrome

    Jeremiah Hwee
    Elite in Hypereosinophilic Syndrome

    Jeremiah Hwee
    155 College Street, 
    Toronto, ON, CA 

    Jeremiah Hwee practices practicing medicine in Toronto, Canada. Mr. Hwee is rated as an Elite expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hypereosinophilic Syndrome, Granulomatosis with Polyangiitis, Vasculitis, and Interstitial Lung Disease.

    Distinguished in Hypereosinophilic Syndrome

    Krishnan K. Nair-Parameswaran
    Distinguished in Hypereosinophilic Syndrome

    Krishnan K. Nair-Parameswaran
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Krishnan Nair-Parameswaran practices practicing medicine in Hamilton, Canada. Mr. Nair-Parameswaran is rated as a Distinguished expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Asthma, Asthma, Chronic Eosinophilic Pneumonia, and Eosinophilic Pneumonia.

    Distinguished in Hypereosinophilic Syndrome

    Manali Mukherjee
    Distinguished in Hypereosinophilic Syndrome

    Manali Mukherjee
    Hamilton, ON, CA 

    Manali Mukherjee practices practicing medicine in Hamilton, Canada. Ms. Mukherjee is rated as a Distinguished expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Asthma, Asthma, Chronic Eosinophilic Pneumonia, and Eosinophilic Pneumonia.

    Learn about our expert tiers
    Distinguished in Hypereosinophilic Syndrome

    Roma Sehmi
    Distinguished in Hypereosinophilic Syndrome

    Roma Sehmi
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Roma Sehmi practices practicing medicine in Hamilton, Canada. Ms. Sehmi is rated as a Distinguished expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Asthma, Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, and Chronic Eosinophilic Pneumonia.

    Advanced in Hypereosinophilic Syndrome

    Paul M. O'byrne
    Advanced in Hypereosinophilic Syndrome

    Paul M. O'byrne
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Paul O'byrne practices practicing medicine in Hamilton, Canada. Mr. O'byrne is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Asthma, Chronic Cough, Eosinophilic Pneumonia, and Simple Pulmonary Eosinophilia.

    Advanced in Hypereosinophilic Syndrome

    Marrissa J. Mcintosh
    Advanced in Hypereosinophilic Syndrome

    Marrissa J. Mcintosh
    London, ON, CA 

    Marrissa Mcintosh practices practicing medicine in London, Canada. Ms. Mcintosh is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Pneumonia, Chronic Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, and Eosinophilic Asthma.

    Advanced in Hypereosinophilic Syndrome

    Gail M. Gauvreau
    Advanced in Hypereosinophilic Syndrome

    Gail M. Gauvreau
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Gail Gauvreau practices practicing medicine in Hamilton, Canada. Gauvreau is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. They are also highly rated in 7 other conditions, according to our data. Their clinical expertise encompasses Asthma, Eosinophilic Asthma, Eosinophilic Pneumonia, and Simple Pulmonary Eosinophilia.

    Advanced in Hypereosinophilic Syndrome

    Brittany M. Salter
    Advanced in Hypereosinophilic Syndrome

    Brittany M. Salter
    Hamilton, ON, CA 

    Brittany Salter practices practicing medicine in Hamilton, Canada. Ms. Salter is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Asthma, Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, Tissue Biopsy, and Bone Marrow Transplant.

    Advanced in Hypereosinophilic Syndrome

    Chynna M. Huang
    Advanced in Hypereosinophilic Syndrome

    Chynna M. Huang
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Chynna Huang practices practicing medicine in Hamilton, Canada. Ms. Huang is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Asthma, Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, and Chronic Eosinophilic Pneumonia.

    Advanced in Hypereosinophilic Syndrome

    Katherine Radford
    Advanced in Hypereosinophilic Syndrome

    Katherine Radford
    Hamilton, ON, CA 

    Katherine Radford practices practicing medicine in Hamilton, Canada. Ms. Radford is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Asthma, Bronchitis, Asthma, and Eosinophilic Pneumonia.

    Advanced in Hypereosinophilic Syndrome

    Cory M. Yamashita
    Advanced in Hypereosinophilic Syndrome

    Cory M. Yamashita
    London, ON, CA 

    Cory Yamashita practices practicing medicine in London, Canada. Mr. Yamashita is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Asthma, Eosinophilic Pneumonia, Chronic Eosinophilic Pneumonia, and Simple Pulmonary Eosinophilia.

    Advanced in Hypereosinophilic Syndrome

    Harkiran K. Kooner
    Advanced in Hypereosinophilic Syndrome

    Harkiran K. Kooner
    London, ON, CA 

    Harkiran Kooner practices practicing medicine in London, Canada. Ms. Kooner is rated as an Advanced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, Chronic Eosinophilic Pneumonia, and Eosinophilic Asthma.

    Experienced in Hypereosinophilic Syndrome

    Imran Satia
    Experienced in Hypereosinophilic Syndrome

    Imran Satia
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Imran Satia practices practicing medicine in Hamilton, Canada. Mr. Satia is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Asthma, Mounier-Kuhn Syndrome, and Chronic Obstructive Pulmonary Disease (COPD).

    Experienced in Hypereosinophilic Syndrome

    Helen L. Neighbour
    Experienced in Hypereosinophilic Syndrome

    Helen L. Neighbour
    Hamilton, ON, CA 

    Helen Neighbour practices practicing medicine in Hamilton, Canada. Ms. Neighbour is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Simple Pulmonary Eosinophilia, Chronic Eosinophilic Pneumonia, and Eosinophilic Pneumonia.

    Experienced in Hypereosinophilic Syndrome

    Hana Serajeddini
    Experienced in Hypereosinophilic Syndrome

    Hana Serajeddini
    London, ON, CA 

    Hana Serajeddini practices practicing medicine in London, Canada. Ms. Serajeddini is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Asthma, Chronic Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, and Eosinophilic Pneumonia.

    Experienced in Hypereosinophilic Syndrome

    Melanie Kjarsgaard
    Experienced in Hypereosinophilic Syndrome

    Melanie Kjarsgaard
    Hamilton, ON, CA 

    Melanie Kjarsgaard practices practicing medicine in Hamilton, Canada. Ms. Kjarsgaard is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Asthma, Eosinophilic Asthma, COVID-19, and Bronchitis.

    Experienced in Hypereosinophilic Syndrome

    Constance A. Mackenzie
    Experienced in Hypereosinophilic Syndrome

    Constance A. Mackenzie
    Toronto, ON, CA 

    Constance Mackenzie practices practicing medicine in Toronto, Canada. Ms. Mackenzie is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Asthma, Simple Pulmonary Eosinophilia, Chronic Eosinophilic Pneumonia, and Eosinophilic Pneumonia.

    Experienced in Hypereosinophilic Syndrome

    Anurag Bhalla
    Experienced in Hypereosinophilic Syndrome

    Anurag Bhalla
    London, ON, CA 

    Anurag Bhalla practices practicing medicine in London, Canada. Mr. Bhalla is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Asthma, Asthma, Chronic Eosinophilic Pneumonia, and Simple Pulmonary Eosinophilia.

    Experienced in Hypereosinophilic Syndrome

    Christopher J. Licskai
    Experienced in Hypereosinophilic Syndrome

    Christopher J. Licskai
    London, ON, CA 

    Christopher Licskai practices practicing medicine in London, Canada. Mr. Licskai is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Asthma, Chronic Obstructive Pulmonary Disease (COPD), Simple Pulmonary Eosinophilia, and Chronic Eosinophilic Pneumonia.

    Experienced in Hypereosinophilic Syndrome

    Xiaotian Ju
    Experienced in Hypereosinophilic Syndrome

    Xiaotian Ju
    Hamilton, ON, CA 

    Xiaotian Ju practices practicing medicine in Hamilton, Canada. Ju is rated as an Experienced expert by MediFind in the treatment of Hypereosinophilic Syndrome. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Eosinophilic Asthma, Chronic Eosinophilic Pneumonia, Simple Pulmonary Eosinophilia, and Eosinophilic Pneumonia.

    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 48

    Last Updated: 04/28/2026

    What is the definition of Hypereosinophilic Syndrome?

    Hypereosinophilic syndrome (HES) refers to a rare group of conditions that are associated with persistent eosinophilia with evidence of organ involvement. Signs and symptoms vary significantly based on which parts of the body are affected. Although any organ system can be involved in HES, the heart, central nervous system, skin, and respiratory tract are the most commonly affected. The condition was originally thought to be "idiopathic" or of unknown cause. However, recent advances in diagnostic testing have allowed a cause to be identified in approximately a quarter of cases.

    When should I see a Hypereosinophilic Syndrome 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 Hypereosinophilic Syndrome 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 Hypereosinophilic Syndrome doctor in Ontario, CA?

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

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    How does MediFind rank Hypereosinophilic Syndrome 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 Hypereosinophilic Syndrome 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 Hypereosinophilic Syndrome 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 Hypereosinophilic Syndrome doctor search results page. 

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

    Look for the filter feature on the left side of the Hypereosinophilic Syndrome 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 Hypereosinophilic Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Hypereosinophilic Syndrome 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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