The 20 Best Histiocytosis Doctors Near Me in Ontario, CA

Find the Top Histiocytosis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 69 doctor with experience in Histiocytosis near Ontario, CA. Of these, 62 are Experienced, 4 are Advanced, 2 are Distinguished and 1 are Elite.

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69 providers found
    Elite in Histiocytosis

    Oussama A. Abla
    Elite in Histiocytosis

    Oussama A. Abla
    555 University Avenue, 
    Toronto, ON, CA 

    Oussama Abla practices practicing medicine in Toronto, Canada. Mr. Abla is rated as an Elite expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Langerhans Cell Histiocytosis, Histiocytosis, Reticulohistiocytoma, and Rosai-Dorfman Disease.

    Distinguished in Histiocytosis

    Sheila Weitzman
    Distinguished in Histiocytosis

    Sheila Weitzman
    Toronto, ON, CA 

    Sheila Weitzman practices practicing medicine in Toronto, Canada. Ms. Weitzman is rated as a Distinguished expert by MediFind in the treatment of Histiocytosis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Histiocytosis, Reticulohistiocytoma, Hemophagocytic Lymphohistiocytosis, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Distinguished in Histiocytosis

    James A. Whitlock
    Distinguished in Histiocytosis

    James A. Whitlock
    Toronto, ON, CA 

    James Whitlock practices practicing medicine in Toronto, Canada. Mr. Whitlock is rated as a Distinguished expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Langerhans Cell Histiocytosis, Acute Lymphoblastic Leukemia (ALL), Histiocytosis, and Reticulohistiocytoma.

    Learn about our expert tiers
    Advanced in Histiocytosis

    Rudolph M. Egeler
    Advanced in Histiocytosis

    Rudolph M. Egeler
    Toronto, ON, CA 

    Rudolph Egeler practices practicing medicine in Toronto, Canada. Mr. Egeler is rated as an Advanced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Langerhans Cell Histiocytosis, Histiocytosis, Reticulohistiocytoma, Acute Interstitial Pneumonia, and Bone Marrow Transplant.

    Advanced in Histiocytosis

    Ahmed Naqvi
    Advanced in Histiocytosis

    Ahmed Naqvi
    Toronto, ON, CA 

    Ahmed Naqvi practices practicing medicine in Toronto, Canada. Mr. Naqvi is rated as an Advanced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Histiocytosis, Reticulohistiocytoma, and Bone Marrow Transplant.

    Advanced in Histiocytosis

    Tal Schechter
    Advanced in Histiocytosis

    Tal Schechter
    555 University Avenue, 
    Toronto, ON, CA 

    Tal Schechter practices practicing medicine in Toronto, Canada. Mr. Schechter is rated as an Advanced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Bronchiolitis Obliterans, and Bone Marrow Transplant.

    Advanced in Histiocytosis

    Joerg A. Krueger
    Advanced in Histiocytosis

    Joerg A. Krueger
    Toronto, ON, CA 

    Joerg Krueger practices practicing medicine in Toronto, Canada. Krueger is rated as an Advanced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Hemophagocytic Lymphohistiocytosis, Osteopetrosis, Non-Langerhans-Cell Histiocytosis, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Damien T. Roux
    Experienced in Histiocytosis

    Damien T. Roux
    401 Smyth Rd, 
    Ottawa, ON, CA 

    Damien Roux practices practicing medicine in Ottawa, Canada. Mr. Roux is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Acute Respiratory Distress Syndrome (ARDS), Spontaneous Bacterial Peritonitis, and COVID-19.

    Experienced in Histiocytosis

    Salah S. Ali
    Experienced in Histiocytosis

    Salah S. Ali
    Kingston, ON, CA 

    Salah Ali practices practicing medicine in Kingston, Canada. Mr. Ali is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Chronic Graft Versus Host Disease (cGvHD), Non-Langerhans-Cell Histiocytosis, Histiocytosis, and Bone Marrow Transplant.

    Experienced in Histiocytosis

    Steven Erwood
    Experienced in Histiocytosis

    Steven Erwood
    Toronto, ON, CA 

    Steven Erwood practices practicing medicine in Toronto, Canada. Mr. Erwood is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Niemann-Pick Disease, Non-Langerhans-Cell Histiocytosis, Histiocytosis, and Reticulohistiocytoma.

    Experienced in Histiocytosis

    Earl D. Silverman
    Experienced in Histiocytosis

    Earl D. Silverman
    Toronto, ON, CA 

    Earl Silverman practices practicing medicine in Toronto, Canada. Mr. Silverman is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Congenital Heart Block, Lupus Nephritis, and Heart Block.

    Experienced in Histiocytosis

    Zhaodong Xu
    Experienced in Histiocytosis

    Zhaodong Xu
    501 Smyth Road, K1H 8L6, 
    Ottawa, ON, CA 

    Zhaodong Xu practices practicing medicine in Ottawa, Canada. Xu is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Chromosome 7p Deletion, Myelodysplastic Syndrome (MDS), Leukemia, and Histiocytosis.

    Experienced in Histiocytosis

    Danyal Ladha
    Experienced in Histiocytosis

    Danyal Ladha
    Ottawa, ON, CA 

    Danyal Ladha practices practicing medicine in Ottawa, Canada. Ladha is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Heart Murmurs, Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, and Histiocytosis.

    Experienced in Histiocytosis

    Rae S. Yeung
    Experienced in Histiocytosis

    Rae S. Yeung
    Toronto, ON, CA 

    Rae Yeung practices practicing medicine in Toronto, Canada. Ms. Yeung is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Kawasaki Disease, Juvenile Idiopathic Arthritis (JIA), Multisystem Inflammatory Syndrome in Children (MIS-C), and Vasculitis.

    Experienced in Histiocytosis

    Melissa C. Misztal
    Experienced in Histiocytosis

    Melissa C. Misztal
    250 College St, 
    Toronto, ON, CA 

    Melissa Misztal practices practicing medicine in Toronto, Canada. Ms. Misztal is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. Her clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Systemic Lupus Erythematosus (SLE), and Reticulohistiocytoma.

    Experienced in Histiocytosis

    Lawrence K. Ng
    Experienced in Histiocytosis

    Lawrence K. Ng
    Toronto, ON, CA 

    Lawrence Ng practices practicing medicine in Toronto, Canada. Mr. Ng is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, and Osteonecrosis.

    Experienced in Histiocytosis

    Linda T. Hiraki
    Experienced in Histiocytosis

    Linda T. Hiraki
    Toronto, ON, CA 

    Linda Hiraki practices practicing medicine in Toronto, Canada. Ms. Hiraki is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Glomerulonephritis, and End-Stage Renal Disease (ESRD).

    Experienced in Histiocytosis

    Andrea S. Doria
    Experienced in Histiocytosis

    Andrea S. Doria
    555 University Avenue, 
    Toronto, ON, CA 

    Andrea Doria practices practicing medicine in Toronto, Canada. Ms. Doria is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Glomerulonephritis, Appendectomy, and Kidney Transplant.

    Experienced in Histiocytosis

    Evgueni A. Ivakine
    Experienced in Histiocytosis

    Evgueni A. Ivakine
    Toronto, ON, CA 

    Evgueni Ivakine practices practicing medicine in Toronto, Canada. Ivakine is rated as an Experienced expert by MediFind in the treatment of Histiocytosis. They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Congenital Muscular Dystrophy Type 1A, Becker Muscular Dystrophy, Duchenne Muscular Dystrophy, and Tay-Sachs Disease.

    Experienced in Histiocytosis

    Dr. Kuang-yueh Y. Chiang
    Experienced in Histiocytosis

    Dr. Kuang-yueh Y. Chiang
    Toronto, ON, CA 
    Languages Spoken:
    English
    See accepted insurances

    Kuang-yueh Chiang practices practicing medicine in Toronto, Canada. Dr. Chiang is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Hemophagocytic Lymphohistiocytosis, ABO Incompatibility, Non-Langerhans-Cell Histiocytosis, and Bone Marrow Transplant.

    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 69

    Last Updated: 04/28/2026

    What is the definition of Histiocytosis?

    Histiocytosis is a general name for a group of disorders or "syndromes" that involve an abnormal increase in the number of specialized white blood cells that are called histiocytes.

    Recently, new knowledge about this family of diseases has led experts to develop a new classification. Five categories have been proposed:

    • L group -- includes Langerhans cell histiocytosis and Erdheim-Chester disease
    • C group -- includes non-Langerhans cell histiocytosis that involves the skin
    • M group -- includes malignant histiocytosis
    • R group -- includes Rosai-Dorfman disease
    • H Group -- includes hemophagocytic lymphohistiocytosis

    This article focuses only on the L group, which includes Langerhans cell histiocytosis and Erdheim-Chester disease.

    When should I see a Histiocytosis 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 Histiocytosis 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 Histiocytosis doctor in Ontario, CA?

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

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    How does MediFind rank Histiocytosis 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 Histiocytosis 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 Histiocytosis 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 Histiocytosis doctor search results page. 

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

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

    Look for the filter feature on the left-side of the Histiocytosis 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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