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

Find the Top Richter Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 90 doctor with experience in Richter Syndrome near Irvine, CA. Of these, 76 are Experienced, 9 are Advanced and 5 are Distinguished.

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90 providers found
    Experienced in Richter Syndrome
    Hematology Oncology
    Experienced in Richter Syndrome
    Hematology Oncology
    1601 Avocado Avenue, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Wade Smith is a Hematologist Oncology provider practicing medicine in Newport Beach, California. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Inflammatory Breast Cancer, and Angiosarcoma. Dr. Smith is currently accepting new patients.

    Advanced in Richter Syndrome
    Advanced in Richter Syndrome

    MemorialCare Cancer Institute At Breastlink Newport

    1441 Avocado Ave Ste 301, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Irina Sachelarie is an Oncologist practicing medicine in Newport Beach, California. Dr. Sachelarie is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 56 other conditions, according to our data. Her clinical expertise encompasses Angiosarcoma, Inflammatory Breast Cancer, Breast Cancer, and Paget Disease of the Breast. Dr. Sachelarie is currently accepting new patients.

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome

    Tanya Siddiqi, M.D.

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

    Tanya Siddiqi is an Oncologist practicing medicine in Irvine, California. Dr. Siddiqi is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 36 other conditions, according to our data. Her clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Non-Hodgkin Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Learn about our expert tiers
    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome

    UCI Health-Costa Mesa Home Infusion Pharmacy

    1640 Newport Blvd Ste 400, 
    Costa Mesa, CA 
     (5.9 miles away)
    Languages Spoken:
    English

    Khosrow Mahdavi is an Oncologist practicing medicine in Costa Mesa, California. Dr. Mahdavi is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Inflammatory Breast Cancer, Hemochromatosis, Paget Disease of the Breast, and Bone Marrow Aspiration.

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome

    Orange Coast Cardiology Medical Corp.

    520 Superior Ave Ste 300, 
    Newport Beach, CA 
     (7.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Greg Angstreich is a Hematologist practicing medicine in Newport Beach, California. Dr. Angstreich is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 84 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, B-Cell Lymphoma, and Chronic B-Cell Leukemia (CBCL).

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome

    Orange Coast Cardiology Medical Corp.

    520 Superior Ave Ste 300, 
    Newport Beach, CA 
     (7.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Louis Vandermolen is an Oncologist practicing medicine in Newport Beach, California. Dr. Vandermolen is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 100 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Inflammatory Breast Cancer.

    Advanced in Richter Syndrome
    Hematology Oncology
    Advanced in Richter Syndrome
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Timothy Byun is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Byun is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses 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.

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome

    UCI Health

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

    Catherine Coombs is a Hematologist 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 9 other conditions, according to our data. Her clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Richter Syndrome, Acute Myeloblastic Leukemia without Maturation, and Bone Marrow Aspiration.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    UCLA Health System

    250 E Yale Loop Ste A, 
    Irvine, CA 
     (2.2 miles away)
    Languages Spoken:
    English

    Nicholas Reese is a Hematologist practicing medicine in Irvine, California. Dr. Reese 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 Pancreatic Cancer, Familial Pancreatic Cancer, Breast Cancer, and Paget Disease of the Breast.

    Experienced in Richter Syndrome
    Hematology | Oncology
    Experienced in Richter Syndrome
    Hematology | Oncology

    A New You Plastic Surgery Center

    250 E Yale Loop Ste A, 
    Irvine, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Zorawar Noor is a Hematologist and an Oncologist practicing medicine in Irvine, California. Dr. Noor is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Familial Pancreatic Cancer, and Pancreatic Cancer.

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

    UC Regents Surgery Laser University PHY

    1002 Health Sciences Rd, 
    Irvine, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Edward Nelson is an Internal Medicine provider practicing medicine in Irvine, California. Dr. Nelson is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Non-Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Acute Lymphoblastic Leukemia (ALL), and Bone Marrow Aspiration.

    Experienced in Richter Syndrome
    Hematology
    Experienced in Richter Syndrome
    Hematology

    Luke Chen, M.D.

    16300 Sand Canyon Ave, 
    Irvine, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Luke Chen is a Hematologist practicing medicine in Irvine, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Chromophobe Renal Cell Carcinoma, Renal Cell Carcinoma (RCC), WT1-Related Wilms Tumor Syndromes, and Gastrointestinal Stromal Tumor.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    Sudarsan Vishnu Kollimuttathuillam, M.D.

    16300 Sand Canyon Ave, 
    Irvine, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sudarsan Kollimuttathuillam is an Oncologist practicing medicine in Irvine, California. Dr. Kollimuttathuillam is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Dehydration, and Agranulocytosis.

    Experienced in Richter Syndrome
    Family Medicine
    Experienced in Richter Syndrome
    Family Medicine

    Your Family Care Center A Med Grp

    16300 Sand Canyon Ave, 
    Irvine, CA 
     (3.5 miles away)
    Experience:
    32+ years
    Languages Spoken:
    English
    Offers Telehealth

    Shida Saam is a primary care provider, practicing in Family Medicine in Irvine, California. She has been practicing medicine for over 32 years. Dr. Saam 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 Vitamin D Deficiency, Type 2 Diabetes (T2D), Juvenile Primary Osteoporosis, and Postmenopausal Osteoporosis. Dr. Saam is board certified in American Board Of Family Medicine.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    Office

    6650 Alton Pkwy, 
    Irvine, CA 
     (3.5 miles away)
    Languages Spoken:
    English

    Merin Stephen is a Hematologist practicing medicine in Irvine, California. Dr. Stephen is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Familial Pancreatic Cancer, Olfactory Neuroblastoma, Teratocarcinosarcoma, and Anemia.

    Experienced in Richter Syndrome
    Family Medicine
    Experienced in Richter Syndrome
    Family Medicine

    UCI Health Tustin - Primary Care

    1451 Irvine Blvd, 
    Tustin, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stanley Cho is a primary care provider, practicing in Family Medicine in Tustin, California. Dr. Cho is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Chiari Malformation Type 1, Brain Herniation, and Chiari Malformation.

    Experienced in Richter Syndrome
    Oncology
    Experienced in Richter Syndrome
    Oncology

    Office

    1441 Avocado Ave Ste 301, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English

    Wael Harb is an Oncologist practicing medicine in Newport Beach, California. Dr. Harb is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Breast Cancer, Protein C Deficiency, and Hereditary Resistance to Anti-Vitamin K.

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

    MDVIP - Newport Beach, CA

    400 Newport Center Dr Ste 601, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ramin Alizadeh is a primary care provider, practicing in Internal Medicine in Newport Beach, California. Dr. Alizadeh is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Hypermethioninemia, Sulfite Oxidase Deficiency, and High Cholesterol.

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

    The Oncology Institute Of Hope And Innovation

    999 N Tustin Ave, 
    Santa Ana, CA 
     (4.8 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Daniel Huang is an Internal Medicine provider practicing medicine in Santa Ana, California. He has been practicing medicine for over 24 years. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Familial Colorectal Cancer, Breast Cancer, and Stomach Cancer. Dr. Huang is board certified in American Board Of Internal Medicine.

    Experienced in Richter Syndrome
    Hematology Oncology
    Experienced in Richter Syndrome
    Hematology Oncology
    1100 West Stewart Drive, 
    Orange, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Wong is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses 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.

    Showing 1-20 of 90

    Last Updated: 04/28/2026

    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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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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