The 20 Best Richter Syndrome Doctors Near Me in fullerton, CA

Find the Top Richter Syndrome Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 82 doctor with experience in Richter Syndrome near fullerton, CA. Of these, 69 are Experienced, 9 are Advanced and 4 are Distinguished.

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82 providers found
    Experienced in Richter Syndrome
    Hematology | Oncology
    Experienced in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammadbagher Ziari is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Ziari is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Breast Cancer, and Paget Disease of the Breast. Dr. Ziari is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Distinguished in Richter Syndrome
    Hematology | Oncology
    Distinguished in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Catherine Coombs is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Coombs is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Coombs is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Advanced in Richter Syndrome
    Hematology | Oncology
    Advanced in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    Crosson Cancer Institute

    2151 N Harbor Blvd Ste 3200, 
    Fullerton, CA 
     (1.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Roy Panares is a Hematologist and an Oncologist practicing medicine in Fullerton, California. Dr. Panares is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Familial Pancreatic Cancer, and Gastroesophageal Junction Cancer.

    Learn about our expert tiers
    Advanced in Richter Syndrome
    Hematology Oncology
    Advanced in Richter Syndrome
    Hematology Oncology
    Referral may be required
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Park is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Park is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Non-Hodgkin Lymphoma, Pleuropulmonary Blastoma, and Lung Cancer. Dr. Park is currently accepting new patients.

    Advanced in Richter Syndrome
    Hematology | Oncology
    Advanced in Richter Syndrome
    Hematology | Oncology
    Referral may be required
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sanjay Sharma is a Hematologist and an Oncologist practicing medicine in Fullerton, California. Dr. Sharma is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Inflammatory Breast Cancer, Angiosarcoma, and Clear Cell Sarcoma. Dr. Sharma is currently accepting new patients.

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome
    Referral may be required

    Office

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

    Susan O'brien is an Oncologist practicing medicine in Orange, California. Dr. O'brien is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, Philadelphia-Negative Chronic Myeloid Leukemia, and Bone Marrow Aspiration.

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome
    Referral may be required

    Office

    200 S Manchester Ave Ste 300, 
    Orange, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Khosrow Mahdavi is an Oncologist practicing medicine in Orange, California. Dr. Mahdavi is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Inflammatory Breast Cancer, Paget Disease of the Breast, Familial Colorectal Cancer, and Bone Marrow Aspiration.

    Advanced in Richter Syndrome
    Hematology | Oncology
    Advanced in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    The Oncology Institute

    11525 Brookshire Ave Ste 202, 
    Downey, CA 
     (12.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dilruba Haque is a Hematologist and an Oncologist practicing medicine in Downey, California. Dr. Haque is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Rhabdomyosarcoma Embryonal, Undifferentiated Pleomorphic Sarcoma, Adult Soft Tissue Sarcoma, and Non-Hodgkin Lymphoma.

    Experienced in Richter Syndrome
    Hematology
    Experienced in Richter Syndrome
    Hematology
    Referral may be required
    3747 Worsham Avenue, Suite 101, 
    Long Beach, CA 
     (13.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lihong Wu is a Hematologist practicing medicine in Long Beach, California. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Liver Failure, Agranulocytosis, Thrombocytopenia, Gastrostomy, and Endoscopy. Dr. Wu is board certified in Internal Medicine (Sub: Medical Oncology), American Board Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine. Dr. Wu is currently accepting new patients.

    Experienced in Richter Syndrome
    Internal Medicine
    Experienced in Richter Syndrome
    Internal Medicine

    Pacific Cancer Medical Center

    1801 W Romneya Dr, 
    Anaheim, CA 
     (1.8 miles away)
    Languages Spoken:
    English

    Ajit Maniam is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Maniam is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Drug-Induced Thrombocytopenia, POEMS Syndrome, Thrombocytopenia, and Mondor Disease. Dr. Maniam is board certified in American Board Of Internal Medicine.

    Experienced in Richter Syndrome
    Internal Medicine
    Experienced in Richter Syndrome
    Internal Medicine

    Pacific Cancer Medical Center

    1801 W Romneya Dr, 
    Anaheim, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yunfei Wei is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Wei is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Thrombocytopenia, Anemia, Familial Colorectal Cancer, Drug-Induced Thrombocytopenia, and Orchiectomy. Dr. Wei is board certified in American Board Internal Medicine.

    Experienced in Richter Syndrome
    Internal Medicine
    Experienced in Richter Syndrome
    Internal Medicine

    Pacific Cancer Medical Center

    1801 W Romneya Dr, 
    Anaheim, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Thiri Khin is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Khin is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Thrombocytopenia, Deep Vein Thrombosis, Drug-Induced Thrombocytopenia, and Breast Cancer. Dr. Khin is board certified in American Board Internal Medicine. Dr. Khin is currently accepting new patients.

    Experienced in Richter Syndrome
    Hematology Oncology
    Experienced in Richter Syndrome
    Hematology Oncology
    Referral may be required
    2151 North Harbor Boulevard, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Monica Lee is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Vitamin B12 Deficiency Anemia. Dr. Lee is currently accepting new patients.

    Experienced in Richter Syndrome
    Hematology Oncology
    Experienced in Richter Syndrome
    Hematology Oncology
    Referral may be required
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Giribala Patel is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Familial Prostate Cancer, and Posterior Fossa Tumor. Dr. Patel is currently accepting new patients.

    Experienced in Richter Syndrome
    Hematology | Oncology
    Experienced in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    Oncura Health

    300 S Harbor Blvd, Ste 600, 
    Anaheim, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jayaram Bharadwaj is a Hematologist and an Oncologist practicing medicine in Anaheim, California. Dr. Bharadwaj is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Agranulocytosis, Breast Cancer, and Vitamin B12 Deficiency.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome
    Referral may be required

    Buena Park Treatment Center

    5832 Beach Blvd Unit 201, 
    Buena Park, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sang-hoon Ahn is an Oncologist practicing medicine in Buena Park, California. Dr. Ahn is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Liver Cancer, Stomach Cancer, Thrombocytopenia, Thrombectomy, and Hepatectomy.

    Advanced in Richter Syndrome
    Advanced in Richter Syndrome
    Referral may be required

    Uc Regents

    101 The City Dr S, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English, German, Romanian, Spanish
    Offers Telehealth

    Andreea Nanci is an Oncologist practicing medicine in Orange, California. Dr. Nanci is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Chronic Lymphocytic Leukemia (CLL). Dr. Nanci is board certified in American Board Of Internal Medicine - Medical Oncology and American Board Of Internal Medicine - Internal Medicine.

    Advanced in Richter Syndrome
    Hematology | Oncology
    Advanced in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English, Farsi
    Offers Telehealth

    Kamyar Nader is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Nader is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Sickle Cell Disease, Follicular Lymphoma, and Bone Marrow Aspiration. Dr. Nader is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Advanced in Richter Syndrome
    Hematology | Oncology
    Advanced in Richter Syndrome
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Lauren Pinter-Brown is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Pinter-Brown is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses T-Cell Lymphoma, Peripheral T-Cell Lymphoma, Non-Hodgkin Lymphoma, Cutaneous T-Cell Lymphoma (CTCL), and Bone Marrow Transplant. Dr. Pinter-Brown is board certified in American Board Of Internal Medicine - Hematology, American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Richter Syndrome
    Internal Medicine
    Experienced in Richter Syndrome
    Internal Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (7.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Hryniewicki is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Autoerythrocyte Sensitivity, Purpura, Gardner-Diamond Syndrome, and Cirrhosis. Dr. Hryniewicki is board certified in American Board Of Internal Medicine. Dr. Hryniewicki is currently accepting new patients.

    Showing 1-20 of 82

    Last Updated: 09/26/2026

    What is the definition of Richter Syndrome?

    Richter syndrome is a rare condition in which chronic lymphocytic leukemia (CLL) changes into a fast-growing type of lymphoma. Symptoms of Richter syndrome can include fever, loss of weight and muscle mass, abdominal pain, and enlargement of the lymph nodes, liver, and spleen. Laboratory results may show anemia and low platelet counts (which can lead to easy bleeding and bruising).

    When should I see a Richter Syndrome doctor near fullerton, 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 Richter Syndrome doctor near fullerton, 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 Richter Syndrome doctors near fullerton, 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 Richter Syndrome doctors near fullerton, 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 Richter Syndrome doctor near fullerton, 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 Richter Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Richter 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 Richter Syndrome doctor near fullerton, 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 Richter 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 Richter 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 Richter Syndrome doctors near fullerton, CA?

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

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