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    Last Updated: 02/22/2026

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    MediFind found 216 doctor with experience in Richter Syndrome near Colorado, US. Of these, 141 are Experienced, 62 are Advanced and 13 are Distinguished.

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    216 providers found
      Cynthia K. Cathcart
      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      CommonSpirit Cancer Center Mercy

      1 Mercado Street, Suite 100, 
      Durango, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Cynthia Cathcart, MD, believes that having open communication is one of the most important aspects in patient care. By partnering with her patients and educating them on their treatment options, she helps them make the best and most informed decisions for their care. Both of Dr. Cathcart's parents were cancer survivors so she understands how important it is to have a provider that is compassionate and gives personal attention to each individual person and their unique needs. Dr. Cathcart practices general oncology and hematology with the mission that all patients are treated like family. Dr. Cathcart graduated from Texas Women's University with a degree in Biology and earned her medical degree from University of Texas Southwestern Medical School in Dallas, Texas. She completed her internship and residency at Methodist Hospital in Dallas, where she was Chief Resident of Internal Medicine. At Baylor University Medical Center in Dallas, Texas, Dr. Cathcart was fellowship trained in medical oncology. Dr. Cathcart enjoys all the mountains of southwest Colorado have to offer including hiking, cycling and photography. At home, she enjoys baking and spending time in her garden. Dr. Cathcart is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Paget Disease of the Breast, Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, Multiple Myeloma, and Bone Marrow Aspiration.

      Sudy E. Jahangiri
      Advanced in Richter Syndrome
      Advanced in Richter Syndrome

      Cancer Centers Of Colorado - Sloan's Lake

      1601 Lowell Boulevard, Suite 150, 
      Denver, CO 
      Experience:
      18+ years
      Languages Spoken:
      English
      Accepting New Patients

      Originally from Ohio, Dr. Jahangiri earned her medical degree and completed both her internship and residency at Northeast Ohio Medical University College of Medicine in Rootstown, Ohio. She went on to complete a fellowship in hematology and oncology at the University of Rochester Medical Center in Rochester, New York. Dr. Jahangiri has been practicing medicine for 6 years. Her clinical interests include gastrointestinal cancers, blood disorders and blood cancers.“I believe strongly in providing high quality oncology care for patients on the Western Slope. Cancer is so scary, and I want to help patients understand their diagnosis and options so that they can decide the best path for them. My job is to serve as a guide and support through that process.”When not working, Dr. Jahangiri enjoys running, a good book and Broadway shows. Often, she can be found partaking in one of Colorado’s many outdoor activities with her husband, three children and shelter dog. Dr. Jahangiri is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Multiple Myeloma, and Virilizing Ovarian Tumor.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Rocky Mountain Cancer Centers

      2312 N Nevada Ave Ste 400, 
      Colorado Springs, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Paul Decarolis is a Hematologist in Colorado Springs, Colorado. Dr. Decarolis is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Richter Syndrome, Pleuropulmonary Blastoma, and Bone Marrow Aspiration. Dr. Decarolis is currently accepting new patients.

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

      Rocky Mountain Cancer Centers

      525 W 15th St Ste 200, 
      Pueblo, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Sofyan Radaideh is an Internal Medicine provider in Pueblo, Colorado. Dr. Radaideh is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Neuroendocrine Tumor, Richter Syndrome, Chronic Lymphocytic Leukemia (CLL), and Chronic B-Cell Leukemia (CBCL). Dr. Radaideh is currently accepting new patients.

      Distinguished in Richter Syndrome
      Internal Medicine
      Distinguished in Richter Syndrome
      Internal Medicine

      Rocky Mountain Cancer Centers

      1800 N Williams St Ste 200, 
      Denver, CO 
      Languages Spoken:
      English
      Accepting New Patients

      Robert Rifkin is an Internal Medicine provider in Denver, Colorado. Dr. Rifkin is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Multiple Myeloma, Febrile Neutropenia, Agranulocytosis, Bone Tumor, and Bone Marrow Transplant. Dr. Rifkin is currently accepting new patients.

      Lisa D. Ahrendt
      Experienced in Richter Syndrome
      Oncology | Hematology | Hematology Oncology
      Experienced in Richter Syndrome
      Oncology | Hematology | Hematology Oncology

      Saint Joseph Hospital - Cancer Centers Of Colorado

      1825 North Marion Street, 
      Denver, CO 
      Experience:
      29+ years
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Dr. Ahrendt is a board certified medical oncologist originally from Boston, Massachusetts. She earned a bachelor's degree in biology from Washington University in St. Louis, Missouri, followed by a medical degree from the Drexel University Hahnemann School of Medicine in Philadelphia, Pennsylvania. Dr. Ahrendt completed an internship, residency and a combined hematology/oncology fellowship at Tufts New England Medical Center in Boston. Dr. Ahrendt pursued a career in medicine because of her desire to help those in need and being able to make an impact on people’s ability to get through disease and difficult situations.“The key to successful treatment of cancer is having a team-based approach. The relationship between the patient, family members, doctors, nurses and support services is so important.”  Dr. Ahrendt’s clinical interests include breast cancer, colorectal cancer, lung cancer, chronic myeloid leukemia (CML), and chronic lymphocytic leukemia (CLL). Dr. Ahrendt is an investigator involved in clinical research trials in the areas of medical oncology and hematology. Her research includes oncology and hematology. She has been practicing oncology in Denver since 2004 and is currently accepting new patients. When she is not at work, Dr. Ahrendt enjoys skiing, camping, hiking and fishing with her husband and son. Dr. Ahrendt is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Inflammatory Breast Cancer.

      Kyle A. Work
      Experienced in Richter Syndrome
      Hematology | Oncology
      Experienced in Richter Syndrome
      Hematology | Oncology

      Cancer Centers Of Colorado - St. Mary's Regional Hospital (Med Onc)

      750 Wellington Avenue, 
      Grand Junction, CO 
      Experience:
      14+ years
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Kyle Work joined the Cancer Centers of Colorado at St. Mary?s Medical Center oncology team in 2018. He is a hematologist-oncologist. Dr. Work treats all types of cancers with a special interest in head and neck cancer, lung cancer and genitourinary cancers.Dr. Work is originally from Tulsa, Oklahoma where he graduated from the University of Tulsa with a degree in biology, and earned his medical degree at Oklahoma State University. He then moved to Kansas City where he completed his internal medicine residency and hematology / oncology fellowship at the University of Kansas Health System. During his hematology and oncology fellowship, he served as chief fellow for two years.Dr. Work is an investigator involved in clinical research trials in the area of hematology and medical oncology. His clinical research focus includes head and neck cancers, brain and lung cancers. When he is not working, he enjoys mountain biking, camping, and hiking with his wife and golden retrievers. Dr. Work is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, EGFR Positive Lung Cancer, and Squamous Cell Lung Carcinoma.

      Jeffrey T. Owsley
      Experienced in Richter Syndrome
      Oncology | Hematology Oncology | Hematology
      Experienced in Richter Syndrome
      Oncology | Hematology Oncology | Hematology

      Lutheran Hospital - Cancer Centers Of CO Medical Oncology

      400 Indiana Street, Suite 300, 
      Golden, CO 
      Experience:
      17+ years
      Languages Spoken:
      English, Spanish
      Accepting New Patients
      Offers Telehealth

      Born in Kansas City, Missouri, Dr. Owsley earned his medical degree in Kansas City. He moved to Denver and completed his residency at Saint Joseph Hospital. After his residency, he worked as a hospitalist in Denver prior to starting a fellowship at the University of Tennessee in Memphis. His clinical interests surround melanoma, lymphoma and primary brain cancers.“A cancer diagnosis is an ailment that encompasses the entire person and as an oncologist, I am privileged to be a part of my patient’s journey. We would not just focus on the disease itself, but also on the effect it has on other aspects of the patient’s life. Overriding everything, we must never lose hope.”Dr. Owsley makes it a priority to be with his patients every step of the way during their cancer journey. He will fight alongside them and is readily available to assist in each patient’s unique journey.Dr. Owsley is an investigator involved in clinical research trials in the area of hematology and medical oncology. When not at work, Dr. Owsley spends his time watching his daughter grow up. He enjoys watching sports and rooting for his favorite teams including the Kansas City Chiefs. However, his wife is a native Denverite and makes sure to balance out his love of the Chiefs with her love of the Broncos. He loves taking advantage of the amazing opportunities that the 300 days of Colorado sunshine provide. Dr. Owsley is rated as an Experienced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Lynch Syndrome, and Colorectal Cancer.

      William A. Robinson
      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      University Physicians Incorporated

      12605 E 16th Ave, Uchealth Anschutz Medical, 
      Aurora, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      William Robinson is an Oncologist in Aurora, Colorado. Dr. Robinson is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Melanoma, Richter Syndrome, Chronic B-Cell Leukemia (CBCL), and Chronic Lymphocytic Leukemia (CLL). Dr. Robinson is currently accepting new patients.

      Sameh Abuerreish
      Advanced in Richter Syndrome
      Advanced in Richter Syndrome

      Sterling Regional MedCenter

      615 Fairhurst Street, 
      Sterling, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      I enjoy fishing, hiking and traveling throughout Wyoming and the surrounding countryside. Dr. Abuerreish is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Philadelphia-Negative Chronic Myeloid Leukemia, Chronic Myelogenous Leukemia (CML), and Inflammatory Breast Cancer.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Hematology Oncology Associates PC

      2121 E Harmony Rd Unit 150, 
      Fort Collins, CO 
      Languages Spoken:
      English
      Offers Telehealth

      Steven Schuster is a Hematologist in Fort Collins, Colorado. Dr. Schuster is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Richter Syndrome, Chronic Lymphocytic Leukemia (CLL), Classical Hodgkin Lymphoma, and Multiple Myeloma.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Rocky Mountain Cancer Centers LLP

      4715 Arapahoe Ave, 
      Boulder, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      David Andorsky is an Oncologist in Boulder, Colorado. Dr. Andorsky is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Follicular Lymphoma, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Richter Syndrome. Dr. Andorsky is currently accepting new patients.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Rocky Mountain Cancer Centers

      1700 S Potomac St, 
      Aurora, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      John Burke is an Oncologist in Aurora, Colorado. Dr. Burke is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Non-Hodgkin Lymphoma, Multiple Myeloma, Chronic Lymphocytic Leukemia (CLL), and Large-Cell Immunoblastic Lymphoma. Dr. Burke is currently accepting new patients.

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

      Good Samaritan Hospital - Cancer Centers Of Colorado

      340 Exempla Circle, 
      Lafayette, CO 
      Experience:
      14+ years
      Languages Spoken:
      English
      Offers Telehealth

      Anthony Accurso is a Hematologist Oncology specialist and a Hematologist in Lafayette, Colorado. Dr. Accurso has been practicing medicine for over 14 years and is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, Large-Cell Immunoblastic Lymphoma, Acute Lymphoblastic Leukemia (ALL), and Bone Marrow Aspiration.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Intermountain Medical Group Grand Junction LLC

      600 S 5th St, 
      Montrose, CO 
      Languages Spoken:
      English
      Offers Telehealth

      Virginia Tjan is a Hematologist in Montrose, Colorado. Dr. Tjan is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Richter Syndrome, Non-Hodgkin Lymphoma, and Bone Marrow Aspiration.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      University Of Colorado Hospital

      1665 Aurora Ct, 
      Aurora, CO 
      Languages Spoken:
      English
      Offers Telehealth

      Manali Kamdar is a Hematologist in Aurora, Colorado. Dr. Kamdar is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Non-Hodgkin Lymphoma, B-Cell Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Bone Marrow Transplant, and Bone Marrow Aspiration.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Poudre Valley Health Care Inc.

      2121 E Harmony Rd Unit 170, 
      Fort Collins, CO 
      Languages Spoken:
      English
      Offers Telehealth

      Miho Scott is an Oncologist in Fort Collins, Colorado. Dr. Scott is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Paget Disease of the Breast, Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, and Multiple Myeloma.

      Distinguished in Richter Syndrome
      Distinguished in Richter Syndrome

      Rocky Mountain Cancer Centers

      1760 E Ken Pratt Blvd Ste 301, 
      Longmont, CO 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Hossein Maymani is an Oncologist in Longmont, Colorado. Dr. Maymani is rated as a Distinguished provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Lung Cancer, Chronic B-Cell Leukemia (CBCL), Richter Syndrome, and Chronic Lymphocytic Leukemia (CLL). Dr. Maymani is currently accepting new patients.

      Advanced in Richter Syndrome
      Advanced in Richter Syndrome

      Rocky Mountain Cancer Centers

      4715 Arapahoe Ave, 
      Boulder, CO 
      Languages Spoken:
      English
      Accepting New Patients

      Mark Sitarik is an Oncologist in Boulder, Colorado. Dr. Sitarik is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Von Willebrand Disease (VWD), Heyde Syndrome, Paget Disease of the Breast, and Breast Cancer. Dr. Sitarik is currently accepting new patients.

      Advanced in Richter Syndrome
      Advanced in Richter Syndrome

      NJH Western Oncology Hematology

      400 Indiana Street, Suite 230, 
      Golden, CO 
      Languages Spoken:
      English
      Accepting New Patients

      Robert Kantor is an Oncologist in Golden, Colorado. Dr. Kantor is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Non-Hodgkin Lymphoma, Chronic Lymphocytic Leukemia (CLL), Pleuropulmonary Blastoma, and Lung Cancer. Dr. Kantor is currently accepting new patients.

      Showing 1-20 of 216

      Last Updated: 02/22/2026

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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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