The 20 Best Thrombocytopenia Doctors Near Me in Ontario, CA

Find the Top Thrombocytopenia Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 270 doctor with experience in Thrombocytopenia near Ontario, CA. Of these, 215 are Experienced, 36 are Advanced, 13 are Distinguished and 6 are Elite.

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270 providers found
    Elite in Thrombocytopenia

    Donald M. Arnold
    Elite in Thrombocytopenia

    Donald M. Arnold
    Hamilton, ON, CA 

    Donald Arnold practices practicing medicine in Hamilton, Canada. Mr. Arnold is rated as an Elite expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Splenectomy, and Bone Marrow Aspiration.

    Elite in Thrombocytopenia

    Christoph B. Licht
    Elite in Thrombocytopenia

    Christoph B. Licht
    555 University Avenue, M5G 1X8, 
    Toronto, ON, CA 

    Christoph Licht practices practicing medicine in Toronto, Canada. Mr. Licht is rated as an Elite expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Hemolytic-Uremic Syndrome, D-Minus Hemolytic Uremic Syndrome, D-Plus Hemolytic Uremic Syndrome, Atypical Hemolytic Uremic Syndrome (aHUS), and Kidney Transplant.

    Elite in Thrombocytopenia

    Theodore E. Warkentin
    Elite in Thrombocytopenia

    Theodore E. Warkentin
    Hamilton, ON, CA 

    Theodore Warkentin practices practicing medicine in Hamilton, Canada. Mr. Warkentin is rated as an Elite expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Gangrene, Disseminated Intravascular Coagulation, Knee Replacement, and Embolectomy.

    Learn about our expert tiers
    Elite in Thrombocytopenia

    Ishac Nazy
    Elite in Thrombocytopenia

    Ishac Nazy
    Hamilton, ON, CA 

    Ishac Nazy practices practicing medicine in Hamilton, Canada. Nazy is rated as an Elite expert by MediFind in the treatment of Thrombocytopenia. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Thrombocytopenia, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Purpura, and Bone Marrow Aspiration.

    Elite in Thrombocytopenia

    John W. Semple
    Elite in Thrombocytopenia

    John W. Semple
    Toronto, ON, CA 

    John Semple practices practicing medicine in Toronto, Canada. Mr. Semple is rated as an Elite expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Thrombocytopenia, Splenectomy, and Mastectomy.

    Elite in Thrombocytopenia

    John G. Kelton
    Elite in Thrombocytopenia

    John G. Kelton
    Hamilton, ON, CA 

    John Kelton practices practicing medicine in Hamilton, Canada. Mr. Kelton is rated as an Elite expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Adult Immune Thrombocytopenia, Bone Marrow Aspiration, and Splenectomy.

    Distinguished in Thrombocytopenia

    Robert J. Klaassen
    Distinguished in Thrombocytopenia

    Robert J. Klaassen
    401 Smyth Road, 
    Ottawa, ON, CA 

    Robert Klaassen practices practicing medicine in Ottawa, Canada. Mr. Klaassen is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Immune Thrombocytopenic Purpura (ITP), Blood Clots, Purpura, Splenectomy, and Appendectomy.

    Distinguished in Thrombocytopenia

    Victor S. Blanchette
    Distinguished in Thrombocytopenia

    Victor S. Blanchette
    Toronto, ON, CA 

    Victor Blanchette practices practicing medicine in Toronto, Canada. Mr. Blanchette is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Blood Clots, Hemophilia A, Immune Thrombocytopenic Purpura (ITP), Purpura, and Splenectomy.

    Distinguished in Thrombocytopenia

    Alan H. Lazarus
    Distinguished in Thrombocytopenia

    Alan H. Lazarus
    Ottawa, ON, CA 

    Alan Lazarus practices practicing medicine in Ottawa, Canada. Mr. Lazarus is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Purpura, and Thrombocytopenia.

    Distinguished in Thrombocytopenia

    Katerina Pavenski
    Distinguished in Thrombocytopenia

    Katerina Pavenski

    St Michael's Hospital

    Toronto, ON, CA 

    Katerina Pavenski practices practicing medicine in Toronto, Canada. Ms. Pavenski is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Purpura, Thrombocytopenia, Blood Clots, and Anemia.

    Distinguished in Thrombocytopenia

    Michelle Sholzberg
    Distinguished in Thrombocytopenia

    Michelle Sholzberg
    Toronto, ON, CA 

    Michelle Sholzberg practices practicing medicine in Toronto, Canada. Ms. Sholzberg is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Blood Clots, Iron Deficiency Anemia, Hemophilia A, Von Willebrand Disease (VWD), and Splenectomy.

    Distinguished in Thrombocytopenia

    Jo-ann I. Sheppard
    Distinguished in Thrombocytopenia

    Jo-ann I. Sheppard
    Hamilton, ON, CA 

    Jo-ann Sheppard practices practicing medicine in Hamilton, Canada. Ms. Sheppard is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Thrombocytopenia, Adult Immune Thrombocytopenia, Purpura, and Immune Thrombocytopenic Purpura (ITP).

    Distinguished in Thrombocytopenia

    James W. Smith
    Distinguished in Thrombocytopenia

    James W. Smith
    Hamilton, ON, CA 

    James Smith practices practicing medicine in Hamilton, Canada. Mr. Smith is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Purpura, and Bone Marrow Aspiration.

    Distinguished in Thrombocytopenia

    Mark A. Crowther
    Distinguished in Thrombocytopenia

    Mark A. Crowther
    St. Joseph's Hospital, 
    Hamilton, ON, CA 

    Mark Crowther practices practicing medicine in Hamilton, Canada. Mr. Crowther is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Venous Thromboembolism (VTE), Mesenteric Venous Thrombosis, Antiphospholipid Syndrome, Hip Replacement, and Coronary Artery Bypass Graft (CABG).

    Distinguished in Thrombocytopenia

    Rukhsana Aslam
    Distinguished in Thrombocytopenia

    Rukhsana Aslam
    St. Michael's Hospital, 6-151 61 Queen Street East, 
    Toronto, ON, CA 

    Rukhsana Aslam practices practicing medicine in Toronto, Canada. Aslam is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Purpura, Thrombocytopenia, and Splenectomy.

    Distinguished in Thrombocytopenia

    Christopher J. Patriquin
    Distinguished in Thrombocytopenia

    Christopher J. Patriquin
    199-435 St Laurent Blvd, 
    Ottawa, ON, CA 

    Christopher Patriquin practices practicing medicine in Ottawa, Canada. Mr. Patriquin is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Paroxysmal Cold Hemoglobinuria, Paroxysmal Nocturnal Hemoglobinuria (PNH), Hemolytic Anemia, Hemolysis, and Lung Transplant.

    Distinguished in Thrombocytopenia

    Nancy M. Heddle
    Distinguished in Thrombocytopenia

    Nancy M. Heddle
    Hamilton, ON, CA 

    Nancy Heddle practices practicing medicine in Hamilton, Canada. Ms. Heddle is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Thrombocytopenia, Hemolytic Transfusion Reaction, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), and Splenectomy.

    Distinguished in Thrombocytopenia

    Guangheng Zhu
    Distinguished in Thrombocytopenia

    Guangheng Zhu
    Toronto, ON, CA 

    Guangheng Zhu practices practicing medicine in Toronto, Canada. Zhu is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. They are also highly rated in 7 other conditions, according to our data. Their clinical expertise encompasses Fetal and Neonatal Alloimmune Thrombocytopenia, Thrombocytopenia, Adult Immune Thrombocytopenia, and Purpura.

    Distinguished in Thrombocytopenia

    Magdalena Riedl
    Distinguished in Thrombocytopenia

    Magdalena Riedl
    686 Bay Street, 19-9800, 
    Toronto, ON, CA 

    Magdalena Riedl practices practicing medicine in Toronto, Canada. Ms. Riedl is rated as a Distinguished expert by MediFind in the treatment of Thrombocytopenia. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses D-Plus Hemolytic Uremic Syndrome, Hemolytic-Uremic Syndrome, D-Minus Hemolytic Uremic Syndrome, and Atypical Hemolytic Uremic Syndrome (aHUS).

    Advanced in Thrombocytopenia

    Rumi Clare
    Advanced in Thrombocytopenia

    Rumi Clare
    Hamilton, ON, CA 

    Rumi Clare practices practicing medicine in Hamilton, Canada. Clare is rated as an Advanced expert by MediFind in the treatment of Thrombocytopenia. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Thrombocytopenia, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), and Purpura.

    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 270

    Last Updated: 04/28/2026

    What is the definition of Thrombocytopenia?

    Thrombocytopenia means there is an abnormally low amount of platelets. Platelets are parts of the blood that help blood to clot. This condition is sometimes associated with abnormal bleeding.

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

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

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

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

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

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