The 20 Best Leukemia Doctors Near Me in Ontario, CA

Find the Top Leukemia Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 413 doctor with experience in Leukemia near Ontario, CA. Of these, 354 are Experienced, 50 are Advanced, 5 are Distinguished and 4 are Elite.

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413 providers found
    Elite in Leukemia

    Jeffrey H. Lipton
    Elite in Leukemia

    Jeffrey H. Lipton
    55 Harbord St, M5S 2 W6, 
    Toronto, ON, CA 

    Jeffrey Lipton practices practicing medicine in Toronto, Canada. Mr. Lipton is rated as an Elite expert by MediFind in the treatment of Leukemia. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Chronic Myelogenous Leukemia (CML), Leukemia, Pure Red Cell Aplasia, Aase Syndrome, and Bone Marrow Transplant.

    Elite in Leukemia

    Mark D. Minden
    Elite in Leukemia

    Mark D. Minden
    Toronto, ON, CA 

    Mark Minden practices practicing medicine in Toronto, Canada. Mr. Minden is rated as an Elite expert by MediFind in the treatment of Leukemia. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Acute Lymphoblastic Leukemia (ALL), Chronic Myelogenous Leukemia (CML), and Bone Marrow Transplant.

    Elite in Leukemia

    Aaron D. Schimmer
    Elite in Leukemia

    Aaron D. Schimmer
    Toronto, ON, CA 

    Aaron Schimmer practices practicing medicine in Toronto, Canada. Mr. Schimmer is rated as an Elite expert by MediFind in the treatment of Leukemia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Leukemia, Acute Myeloid Leukemia (AML), Acute Lymphoblastic Leukemia (ALL), Myeloproliferative Neoplasms (MPN), and Bone Marrow Transplant.

    Are you looking for a specific type of Leukemia?

    Common conditions include: Acute Erythroid Leukemia (AEL), Acute Lymphoblastic Leukemia (ALL), Acute Megakaryoblastic Leukemia, Acute Monoblastic Leukemia (AmoL)

      Learn about our expert tiers
      Elite in Leukemia

      Andre C. Schuh
      Elite in Leukemia

      Andre C. Schuh
      Toronto, ON, CA 

      Andre Schuh practices practicing medicine in Toronto, Canada. Mr. Schuh is rated as an Elite expert by MediFind in the treatment of Leukemia. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Acute Lymphoblastic Leukemia (ALL), Myelodysplastic Syndrome (MDS), and Bone Marrow Transplant.

      Distinguished in Leukemia

      John E. Dick
      Distinguished in Leukemia

      John E. Dick
      Toronto, ON, CA 

      John Dick practices practicing medicine in Toronto, Canada. Mr. Dick is rated as a Distinguished expert by MediFind in the treatment of Leukemia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Acute Lymphoblastic Leukemia (ALL), Down Syndrome, and Bone Marrow Transplant.

      Distinguished in Leukemia

      Lillian Sung
      Distinguished in Leukemia

      Lillian Sung
      686 Bay Street, 
      Toronto, ON, CA 

      Lillian Sung practices practicing medicine in Toronto, Canada. Ms. Sung is rated as a Distinguished expert by MediFind in the treatment of Leukemia. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Febrile Neutropenia, Infantile Neutropenia, Agranulocytosis, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Distinguished in Leukemia

      Johann K. Hitzler
      Distinguished in Leukemia

      Johann K. Hitzler
      555 University Avenue, 
      Toronto, ON, CA 

      Johann Hitzler practices practicing medicine in Toronto, Canada. Hitzler is rated as a Distinguished expert by MediFind in the treatment of Leukemia. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Down Syndrome, L1 Syndrome, Acute Lymphoblastic Leukemia (ALL), Leukemia, and Bone Marrow Transplant.

      Distinguished in Leukemia

      Brian Leber
      Distinguished in Leukemia

      Brian Leber
      Juravinski Hospital And Cancer Centre 711 Concession Street, L8V1C3, 
      Hamilton, ON, CA 

      Brian Leber practices practicing medicine in Hamilton, Canada. Mr. Leber is rated as a Distinguished expert by MediFind in the treatment of Leukemia. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Leukemia, Acute Myeloid Leukemia (AML), Chronic Myelogenous Leukemia (CML), and Bone Marrow Transplant.

      Distinguished in Leukemia

      Dawn C. Maze
      Distinguished in Leukemia

      Dawn C. Maze
      Toronto, ON, CA 

      Dawn Maze practices practicing medicine in Toronto, Canada. Ms. Maze is rated as a Distinguished expert by MediFind in the treatment of Leukemia. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Myeloproliferative Neoplasms (MPN), Myelofibrosis, Leukemia, Bone Marrow Transplant, and Bone Graft.

      Advanced in Leukemia

      Paul C. Nathan
      Advanced in Leukemia

      Paul C. Nathan
      555 University Ave, 
      Toronto, ON, CA 

      Paul Nathan practices practicing medicine in Toronto, Canada. Mr. Nathan is rated as an Advanced expert by MediFind in the treatment of Leukemia. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses High Blood Pressure in Infants, Metastatic Uveal Melanoma, Hodgkin Lymphoma, Acute Pain, and Nephrectomy.

      Advanced in Leukemia

      John G. Kuruvilla
      Advanced in Leukemia

      John G. Kuruvilla
      Toronto, ON, CA 

      John Kuruvilla practices practicing medicine in Toronto, Canada. Mr. Kuruvilla is rated as an Advanced expert by MediFind in the treatment of Leukemia. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, B-Cell Lymphoma, Classical Hodgkin Lymphoma, Hodgkin Lymphoma, and Bone Marrow Transplant.

      Advanced in Leukemia

      James A. Whitlock
      Advanced in Leukemia

      James A. Whitlock
      Toronto, ON, CA 

      James Whitlock practices practicing medicine in Toronto, Canada. Mr. Whitlock is rated as an Advanced expert by MediFind in the treatment of Leukemia. 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.

      Advanced in Leukemia

      Rose Hurren
      Advanced in Leukemia

      Rose Hurren
      Toronto, ON, CA 

      Rose Hurren practices practicing medicine in Toronto, Canada. Ms. Hurren is rated as an Advanced expert by MediFind in the treatment of Leukemia. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Acute Monoblastic Leukemia (AmoL), and Malaria.

      Advanced in Leukemia

      Marcela Gronda
      Advanced in Leukemia

      Marcela Gronda
      Toronto, ON, CA 

      Marcela Gronda practices practicing medicine in Toronto, Canada. Ms. Gronda is rated as an Advanced expert by MediFind in the treatment of Leukemia. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Acute Monoblastic Leukemia (AmoL), and Malaria.

      Advanced in Leukemia

      Fotios V. Michelis
      Advanced in Leukemia

      Fotios V. Michelis
      Toronto, ON, CA 

      Fotios Michelis practices practicing medicine in Toronto, Canada. Mr. Michelis is rated as an Advanced expert by MediFind in the treatment of Leukemia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Acute Myeloid Leukemia (AML), Chronic Graft Versus Host Disease (cGvHD), Leukemia, and Bone Marrow Transplant.

      Advanced in Leukemia

      Hassan A. Sibai
      Advanced in Leukemia

      Hassan A. Sibai
      Toronto, ON, CA 

      Hassan Sibai practices practicing medicine in Toronto, Canada. Mr. Sibai is rated as an Advanced expert by MediFind in the treatment of Leukemia. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Myeloproliferative Neoplasms (MPN), Myelofibrosis, Leukemia, Bone Marrow Transplant, and Bone Graft.

      Advanced in Leukemia

      Anne M. Tierens
      Advanced in Leukemia

      Anne M. Tierens
      Toronto, ON, CA 

      Anne Tierens practices practicing medicine in Toronto, Canada. Ms. Tierens is rated as an Advanced expert by MediFind in the treatment of Leukemia. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Autoimmune Hemolytic Anemia, Acute Myeloid Leukemia (AML), Leukemia, Acute Erythroid Leukemia (AEL), and Bone Marrow Transplant.

      Advanced in Leukemia

      Rena J. Buckstein
      Advanced in Leukemia

      Rena J. Buckstein
      Toronto, ON, CA 

      Rena Buckstein practices practicing medicine in Toronto, Canada. Ms. Buckstein is rated as an Advanced expert by MediFind in the treatment of Leukemia. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Myelodysplastic Syndrome (MDS), Follicular Lymphoma, Chronic Myelomonocytic Leukemia (CMML), Non-Hodgkin Lymphoma, and Bone Marrow Transplant.

      Advanced in Leukemia

      Dr. Hong G. Zheng
      Advanced in Leukemia

      Dr. Hong G. Zheng
      170 Elizabeth Street, Room S530 Roy C. Hill Wing. Servi, 
      Toronto, ON, CA 
      Languages Spoken:
      English

      Hong Zheng practices practicing medicine in Toronto, Canada. Dr. Zheng is rated as an Advanced provider by MediFind in the treatment of Leukemia. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Babesiosis, Heart Failure, Myelodysplastic Syndrome (MDS), Bone Marrow Transplant, and Carotid Artery Surgery.

      Advanced in Leukemia

      David E. Spaner
      Advanced in Leukemia

      David E. Spaner
      Toronto, ON, CA 

      David Spaner practices practicing medicine in Toronto, Canada. Mr. Spaner is rated as an Advanced expert by MediFind in the treatment of Leukemia. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), Small Lymphocytic Lymphoma (SLL), and Leukemia.

      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 413

      Last Updated: 04/28/2026

      What is the definition of Leukemia?

      Leukemia is a type of blood cancer that begins in the bone marrow. Bone marrow is the soft tissue in the center of the bones, where blood cells are produced.

      The term leukemia means white blood. White blood cells (leukocytes) fight infections and other foreign substances. Leukocytes are made in the bone marrow.

      Leukemia leads to an uncontrolled increase in the number of white blood cells.

      The cancerous cells prevent healthy red cells, platelets, and mature white cells (leukocytes) from being made. Life-threatening symptoms can then develop as normal blood cells decline.

      The cancer cells can spread to the bloodstream and lymph nodes. They can also travel to the brain and spinal cord (the central nervous system) and other parts of the body.

      Leukemia can affect children and adults.

      Leukemias are divided into two major types:

      • Acute (which progresses quickly)
      • Chronic (which progresses more slowly)

      The main types of leukemia are:

      • Acute lymphocytic leukemia (ALL)
      • Acute myeloid leukemia (AML)
      • Chronic lymphocytic leukemia (CLL)
      • Chronic myeloid leukemia (CML)

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

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

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

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

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

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