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

Find the Top Richter Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 146 doctor with experience in Richter Syndrome near Pasadena, CA. Of these, 125 are Experienced, 14 are Advanced and 7 are Distinguished.

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146 providers found
    Distinguished in Richter Syndrome
    Oncology | Hematology
    Distinguished in Richter Syndrome
    Oncology | Hematology
    1505 Wilson Terrace, Suite 200, 
    Glendale, CA 
     (5.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Boris Bagdasarian is a Hematologist and an Oncologist practicing medicine in Glendale, California. Dr. Bagdasarian is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 135 other conditions, according to our data. His clinical expertise encompasses Agranulocytosis, Chronic Familial Neutropenia, Langerhans Cell Histiocytosis, and Thrombocytopenia. Dr. Bagdasarian is currently accepting new patients.

    Advanced in Richter Syndrome
    Advanced in Richter Syndrome

    Comprehensive Oncology Hematology Center

    1505 Wilson Terr, Ste 340, 
    Glendale, CA 
     (5.0 miles away)
    Languages Spoken:
    English, Arabic, Armenian, French
    Accepting New Patients

    To provide state of the art medical care for our patients in a friendly, and compassionate setting. Dr. Shirinian is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 70 other conditions, according to our data. His clinical expertise encompasses Acute Erythroid Leukemia (AEL), Colorectal Cancer, Small Cell Lung Cancer (SCLC), and Lung Adenocarcinoma. Dr. Shirinian is board certified in Internal Medicine (Sub: Medical Oncology) and Internal Medicine. Dr. Shirinian is currently accepting new patients.

    Distinguished in Richter Syndrome
    Hematology | Oncology
    Distinguished in Richter Syndrome
    Hematology | Oncology

    Stephen J. Forman, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stephen Forman is a Hematologist and an Oncologist practicing medicine in Duarte, California. Dr. Forman is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Bone Marrow Aspiration.

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

    Steven T. Rosen, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Rosen is a Hematologist practicing medicine in Duarte, California. Dr. Rosen is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Small Lymphocytic Lymphoma (SLL), Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, and Bone Marrow Aspiration.

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

    Oncology Physicians Network Of California PC

    50 Alessandro Pl, 
    Pasadena, CA 
     (1.2 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jason Ho is an Internal Medicine provider practicing medicine in Pasadena, California. He has been practicing medicine for over 25 years. Dr. Ho is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Inflammatory Breast Cancer. Dr. Ho is board certified in American Board Internal Medicine.

    Advanced in Richter Syndrome
    Advanced in Richter Syndrome

    Keck Medicine Of USC-Pasadena

    625 S Fair Oaks Ave Ste 400, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Mark Mcnamara is a Hematologist practicing medicine in Pasadena, California. Dr. Mcnamara is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Inflammatory Breast Cancer, Cholangiocarcinoma (Bile Duct Cancer), Paget Disease of the Breast, Anemia, and Bone Marrow Aspiration.

    Experienced in Richter Syndrome
    Oncology | Hematology Oncology
    Experienced in Richter Syndrome
    Oncology | Hematology Oncology
    1300 North Vermont Avenue, 
    Los Angeles, CA 
     (9.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sungwon Kyung is a Hematologist Oncology specialist and an Oncologist practicing medicine in Los Angeles, California. Dr. Kyung is rated as an Experienced 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 Febrile Neutropenia, Agranulocytosis, Chronic Familial Neutropenia, and Thrombocytopenia. Dr. Kyung is currently accepting new patients.

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

    UCLA Cancer Care DTLA

    700 W 7th St, Ste S270-B, 
    Los Angeles, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Shin is a Hematologist and an Oncologist practicing medicine in Los Angeles, California. Dr. Shin 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 Familial Pancreatic Cancer, Pancreatic Cancer, Familial Colorectal Cancer, and Lynch Syndrome. Dr. Shin is board certified in Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine (Sub: Medical Oncology). Dr. Shin is currently accepting new patients.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    UCLA Cancer Care DTLA

    700 W 7th St, Ste S270-B, 
    Los Angeles, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Caspian Oliai is a Hematologist practicing medicine in Los Angeles, California. Dr. Oliai 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 Acute Myeloid Leukemia (AML), Multiple Myeloma, Acute Lymphoblastic Leukemia (ALL), Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Oliai is board certified in Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine (Sub: Medical Oncology). Dr. Oliai is currently accepting new patients.

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

    The Oncology Institute Of Hope And Innovation

    101 E. Beverly Blvd., Ste 200, 
    Montebello, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    To provide our patients with compassionate quality medical care. Dr. Rupani is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Paget Disease of the Breast, Breast Cancer, and Familial Colorectal Cancer. Dr. Rupani is board certified in Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine (Sub: Medical Oncology). Dr. Rupani is currently accepting new patients.

    Distinguished in Richter Syndrome
    Distinguished in Richter Syndrome

    Alexey Danilov, M.D., PH.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexey Danilov is an Oncologist practicing medicine in Duarte, California. Dr. Danilov is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Mantle Cell Lymphoma (MCL), Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Bone Marrow Transplant, and Bone Marrow Aspiration.

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

    Oncology Physicians Network Of California PC

    959 E Walnut St, 
    Pasadena, CA 
     (0.8 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English
    Offers Telehealth

    Walter Tsang is an Internal Medicine provider practicing medicine in Pasadena, California. He has been practicing medicine for over 19 years. Dr. Tsang is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Inflammatory Breast Cancer, Breast Cancer, Angiosarcoma, and Paget Disease of the Breast. Dr. Tsang is board certified in American Board Of Internal Medicine.

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

    Joseph J. Pachorek Md., Inc.

    630 S Raymond Ave, 
    Pasadena, CA 
     (0.9 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English
    Offers Telehealth

    Joseph Pachorek is a primary care provider, practicing in Internal Medicine in Pasadena, California. He has been practicing medicine for over 40 years. Dr. Pachorek 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 Severe Combined Immunodeficiency (SCID), X-Linked Severe Combined Immunodeficiency, Sideroblastic Anemia, and High Cholesterol. Dr. Pachorek is board certified in American Board Of Internal Medicine.

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

    Oncology Physicians Network Of California PC

    50 Alessandro Pl, 
    Pasadena, CA 
     (1.2 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Weber Chen is an Internal Medicine provider practicing medicine in Pasadena, California. He has been practicing medicine for over 28 years. Dr. Chen 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 Thrombocytopenia, Angiosarcoma, Inflammatory Breast Cancer, and Familial Colorectal Cancer. Dr. Chen is board certified in American Board Of Internal Medicine.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    Office

    625 S Fair Oaks Ave Ste 320, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Applebaum is a Hematologist practicing medicine in Pasadena, California. Dr. Applebaum is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Breast Cancer in Men, and Anemia.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    Keck Medicine Of USC-Pasadena

    625 S Fair Oaks Ave Ste 400, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stephen Huang is an Oncologist practicing medicine in Pasadena, California. Dr. Huang 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 Cholangiocarcinoma (Bile Duct Cancer), Deep Vein Thrombosis, Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), and Thyroidectomy.

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

    Wes J. Powell MD Inc.

    950 S Arroyo Pkwy Fl 3, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Jeffrey Denham is a primary care provider, practicing in Internal Medicine in Pasadena, California. Dr. Denham is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. His clinical expertise encompasses High Cholesterol, Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), and Richter Syndrome.

    Experienced in Richter Syndrome
    Experienced in Richter Syndrome

    Office

    625 S Fair Oaks Ave Ste 320, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexander Black is a Hematologist practicing medicine in Pasadena, California. Dr. Black is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Angiosarcoma, and Anemia.

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

    MhsceRxp

    800 Fairmount Ave Ste 412, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Di Flauro is a primary care provider, practicing in Family Medicine in Pasadena, California. Dr. Di Flauro 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 Acute Myeloblastic Leukemia without Maturation, Acute Myeloid Leukemia (AML), Philadelphia-Negative Chronic Myeloid Leukemia, and Chronic Myelogenous Leukemia (CML).

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

    Wes J. Powell MD Inc.

    950 S Arroyo Pkwy Fl 3, 
    Pasadena, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Lori Wynstock is a primary care provider, practicing in Internal Medicine in Pasadena, California. Dr. Wynstock is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Cloudy Cornea, Multiple System Atrophy, Mitral Valve Prolapse, and Waldenstrom Macroglobulinemia.

    Showing 1-20 of 146

    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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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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