The 20 Best Chronic B-Cell Leukemia (CBCL) Doctors Near Me in Orange, CA

Find the Top Chronic B-Cell Leukemia (CBCL) Experts and Specialists

The 20 Best Chronic B-Cell Leukemia (CBCL) Doctors near Orange, CA

Last Updated: 02/22/2026

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MediFind found 97 doctor with experience in Chronic B-Cell Leukemia (CBCL) near Orange, CA. Of these, 77 are Experienced, 14 are Advanced, 4 are Distinguished and 2 are Elite.

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97 providers found
    Elite in Chronic B-Cell Leukemia (CBCL)
    Elite in Chronic B-Cell Leukemia (CBCL)

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Catherine Coombs is a Hematologist in Orange, California. Dr. Coombs is rated as an Elite provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Timothy Byun is a Hematologist Oncology provider in Orange, California. Dr. Byun is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Large-Cell Immunoblastic Lymphoma, ALK-Positive Non-Small Cell Lung Cancer, Diffuse Large B-Cell Lymphoma (DLBCL), Non-Hodgkin Lymphoma, and Bone Marrow Aspiration. Dr. Byun is currently accepting new patients.

    Elite in Chronic B-Cell Leukemia (CBCL)
    Elite in Chronic B-Cell Leukemia (CBCL)

    Tanya Siddiqi, M.D.

    Irvine, CA 
     (11.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tanya Siddiqi is an Oncologist in Irvine, California. Dr. Siddiqi is rated as an Elite provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Non-Hodgkin Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Learn about our expert tiers
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    1100 West Stewart Drive, 
    Orange, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Wong is a Hematologist Oncology provider in Orange, California. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Large-Cell Immunoblastic Lymphoma, Monoclonal Gammopathy of Undetermined Significance (MGUS), Burkitt Lymphoma, and Diffuse Large B-Cell Lymphoma (DLBCL). Dr. Wong is currently accepting new patients.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tariq Mahmood is a Hematologist Oncology provider in Orange, California. Dr. Mahmood is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Familial Colorectal Cancer, and Angiosarcoma. Dr. Mahmood is currently accepting new patients.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sam Huang is a Hematologist Oncology provider in Orange, California. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Squamous Cell Lung Carcinoma, and ALK-Positive Non-Small Cell Lung Cancer. Dr. Huang is currently accepting new patients.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    363 South Main Street, Suite 485, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Stavroula Otis is a Hematologist Oncology provider in Orange, California. Dr. Otis is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Follicular Lymphoma, Myelodysplastic Syndrome (MDS), Agranulocytosis, and Anemia. Dr. Otis is currently accepting new patients.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Xinyu Nan is a Hematologist Oncology provider in Orange, California. Dr. Nan is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Deep Vein Thrombosis, Familial Colorectal Cancer, Inflammatory Breast Cancer, Colorectal Cancer, and Bone Marrow Aspiration. Dr. Nan is currently accepting new patients.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Madhavi Mummaneni is a Hematologist Oncology provider in Orange, California. Dr. Mummaneni is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Breast Cancer, Pleuropulmonary Blastoma, Inflammatory Breast Cancer, and Iron Deficiency Anemia. Dr. Mummaneni is currently accepting new patients.

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Advanced in Chronic B-Cell Leukemia (CBCL)

    Office

    101 The City Dr S Bldg 23, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lauren Pinter is a Hematologist in Orange, California. Dr. Pinter is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are T-Cell Lymphoma, Mycosis Fungoides, Peripheral T-Cell Lymphoma, Non-Hodgkin Lymphoma, and Bone Marrow Transplant.

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology | Hematology
    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology | Hematology

    Uc Regents

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andreea Nanci is a Hematologist Oncology specialist and a Hematologist in Orange, California. Dr. Nanci is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Inflammatory Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Chronic Lymphocytic Leukemia (CLL).

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Advanced in Chronic B-Cell Leukemia (CBCL)

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Brem is a Hematologist in Orange, California. Dr. Brem is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Non-Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Advanced in Chronic B-Cell Leukemia (CBCL)

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Deepa Jeyakumar is a Hematologist in Orange, California. Dr. Jeyakumar is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Acute Myeloid Leukemia (AML), Acute Lymphoblastic Leukemia (ALL), Chronic T-Cell Leukemia (CTCL), Bone Marrow Aspiration, and Bone Marrow Transplant.

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Park is a Hematologist Oncology provider in Fullerton, California. Dr. Park is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Small Cell Lung Cancer (SCLC), Non-Hodgkin Lymphoma, Neuroendocrine Tumor, and Pleuropulmonary Blastoma. Dr. Park is currently accepting new patients.

    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    Advanced in Chronic B-Cell Leukemia (CBCL)
    Hematology Oncology
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sanjay Sharma is a Hematologist Oncology provider in Fullerton, California. Dr. Sharma is rated as an Advanced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Paget Disease of the Breast, Inflammatory Breast Cancer, Angiosarcoma, and WT1-Related Wilms Tumor Syndromes. Dr. Sharma is currently accepting new patients.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Internal Medicine
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Internal Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (0.6 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Hryniewicki has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, Purpura, and Cirrhosis.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Experienced in Chronic B-Cell Leukemia (CBCL)

    Hematology Oncology Medical Group

    1010 W La Veta Ave Ste 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Tiberio Lindgren is an Oncologist in Orange, California. Dr. Lindgren is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Small Cell Lung Cancer (SCLC), Lung Cancer, Pleuropulmonary Blastoma, and Inflammatory Breast Cancer.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Experienced in Chronic B-Cell Leukemia (CBCL)

    Office

    101 The City Dr S Bldg 23, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Paul Coluzzi is an Oncologist in Orange, California. Dr. Coluzzi is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Intraductal Papilloma, and Angiosarcoma.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Experienced in Chronic B-Cell Leukemia (CBCL)

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Dr S Bldg 23, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammadbagher Ziari is an Oncologist in Orange, California. Dr. Ziari is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Paget Disease of the Breast, and Inflammatory Breast Cancer.

    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology | Oncology
    Experienced in Chronic B-Cell Leukemia (CBCL)
    Hematology | Oncology

    Hematology Oncology Medical Group

    1010 W La Veta Ave Ste 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cindy Tran is a Hematologist and an Oncologist in Orange, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Chronic B-Cell Leukemia (CBCL). Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Inflammatory Breast Cancer.

    Showing 1-20 of 97

    Last Updated: 02/22/2026

    What is the definition of Chronic B-Cell Leukemia (CBCL)?

    Chronic B cell leukemia is a type of chronic lymphocytic leukemia (CLL), or cancer of the blood and bone marrow that mainly affects adults. In chronic B cell leukemia, the bone marrow produces too many B lymphocytes, which are white blood cells that fight infection. Chronic B cell leukemia represents 95% of all chronic lymphocytic leukemias.

    When should I see a Chronic B-Cell Leukemia (CBCL) doctor near Orange, 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 Chronic B-Cell Leukemia (CBCL) doctor near Orange, 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 does MediFind rank Chronic B-Cell Leukemia (CBCL) doctors near Orange, 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 Chronic B-Cell Leukemia (CBCL) doctors near Orange, 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 Chronic B-Cell Leukemia (CBCL) doctor near Orange, 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 Chronic B-Cell Leukemia (CBCL) doctor search results page. 

    Why is it important to get a second opinion from a different Chronic B-Cell Leukemia (CBCL) 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 Chronic B-Cell Leukemia (CBCL) doctor near Orange, 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 Chronic B-Cell Leukemia (CBCL) 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 Chronic B-Cell Leukemia (CBCL) 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 Chronic B-Cell Leukemia (CBCL) doctors near Orange, CA?

    Look for the filter feature on the left side of the Chronic B-Cell Leukemia (CBCL) 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 Chronic B-Cell Leukemia (CBCL) doctor that offers video calls?

    Look for the filter feature on the left-side of the Chronic B-Cell Leukemia (CBCL) 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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