The 20 Best Factor 11 Deficiency Doctors in The United States

Find the Top Factor 11 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 818 doctor with experience in Factor 11 Deficiency near The United States. Of these, 695 are Experienced, 109 are Advanced, 13 are Distinguished and 1 are Elite.

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818 providers found
    Elite in Factor 11 Deficiency
    Elite in Factor 11 Deficiency

    Mount Sinai West

    1000 10th Ave Ste 3A-35, 
    New York, NY 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lawrence Cytryn is a Hematologist practicing medicine in New York, New York. Dr. Cytryn is rated as an Elite provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Factor 11 Deficiency, Sickle Cell Disease, Acquired Agranulocytosis, and Idiopathic Neutropenia. Dr. Cytryn is currently accepting new patients.

    Experienced in Factor 11 Deficiency
    Hematology | Oncology
    Experienced in Factor 11 Deficiency
    Hematology | Oncology

    Advocate Lutheran General Cancer Institute

    1700 Luther Ln 1st & 2nd Fl, 
    Park Ridge, IL 
    Languages Spoken:
    English

    Jason Macklis is a Hematologist and an Oncologist practicing medicine in Park Ridge, Illinois. Dr. Macklis is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Lung Adenocarcinoma, and Bone Marrow Aspiration. Dr. Macklis is board certified in American Board Of Internal Medicine, Hematology.

    Experienced in Factor 11 Deficiency
    Hematology Oncology | Oncology | Hematology
    Experienced in Factor 11 Deficiency
    Hematology Oncology | Oncology | Hematology

    BHMA Cancer Care- Johnson City

    1 Professional Park Dr, Ste 21, 
    Johnson City, TN 
    Languages Spoken:
    English
    Offers Telehealth

    . Dr. Hazin is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Inflammatory Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, and Bone Marrow Aspiration. Dr. Hazin is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Distinguished in Factor 11 Deficiency
    Distinguished in Factor 11 Deficiency
    514 North Prospect Avenue, Floor 4, 
    Redondo Beach, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Andrew Horodner is an Oncologist practicing medicine in Redondo Beach, California. Dr. Horodner is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Factor 11 Deficiency, Paget Disease of the Breast, Familial Colorectal Cancer, Colorectal Cancer, and Bone Marrow Aspiration. Dr. Horodner is currently accepting new patients.

    Distinguished in Factor 11 Deficiency
    Internal Medicine
    Distinguished in Factor 11 Deficiency
    Internal Medicine

    Memorial Sloan Kettering Cancer Center

    530 East 74th Street, 
    New York, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Sridevi Rajeeve is an Internal Medicine provider practicing medicine in New York, New York. Dr. Rajeeve is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Factor 11 Deficiency, Multiple Myeloma, Relapsed Refractory Multiple Myeloma (RRMM), Hodgkin Lymphoma, and Bone Marrow Transplant. Dr. Rajeeve is board certified in American Board Of Internal Medicine and Hematology.

    Distinguished in Factor 11 Deficiency
    Hematology | Oncology
    Distinguished in Factor 11 Deficiency
    Hematology | Oncology

    Cancer Care Associates

    3577 West 13 Mile Road, Suite 4, 
    Royal Oak, MI 
    Experience:
    34+ years
    Languages Spoken:
    English
    Accepting New Patients

    Marianne Huben is a Hematologist and an Oncologist practicing medicine in Royal Oak, Michigan. She has been practicing medicine for over 34 years. Dr. Huben is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Factor 11 Deficiency, Posterior Fossa Tumor, Primitive Neuroectodermal Tumor (PNET), and Metastatic Brain Tumor. Dr. Huben is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Huben is currently accepting new patients.

    Distinguished in Factor 11 Deficiency
    Distinguished in Factor 11 Deficiency

    Rocky Mountain Cancer Centers

    4700 Hale Pkwy Ste 400, 
    Denver, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Alan Feiner is an Oncologist practicing medicine in Denver, Colorado. Dr. Feiner is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Factor 11 Deficiency, Essential Thrombocythemia, Antiphospholipid Syndrome, Multiple Myeloma, and Bone Marrow Aspiration. Dr. Feiner is board certified in American Board Of Internal Medicine. Dr. Feiner is currently accepting new patients.

    Experienced in Factor 11 Deficiency
    Hematology | Oncology | Internal Medicine
    Experienced in Factor 11 Deficiency
    Hematology | Oncology | Internal Medicine

    McGlinn Cancer Institute - Reading Hospital

    420 S 5th Ave, Bldg N, 
    West Reading, PA 
    Languages Spoken:
    English
    Offers Telehealth

    . Dr. Leasure is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Hairy Cell Leukemia (HCL), and Reticuloendotheliosis. Dr. Leasure is board certified in American Board Of Internal Medicine.

    Experienced in Factor 11 Deficiency
    Hematology | Oncology | Internal Medicine
    Experienced in Factor 11 Deficiency
    Hematology | Oncology | Internal Medicine

    McGlinn Cancer Institute - Reading Hospital

    420 S 5th Ave, Bldg N, 
    West Reading, PA 
    Languages Spoken:
    English

    . Dr. Rettew is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Agranulocytosis, Chronic Familial Neutropenia, Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, and Bone Marrow Aspiration. Dr. Rettew is board certified in American Board Of Internal Medicine and American Osteopathic Board Of Internal Medicine.

    Advanced in Factor 11 Deficiency
    Hematology | Oncology
    Advanced in Factor 11 Deficiency
    Hematology | Oncology
    12 East 86th Street, Ofc 4, 
    New York, NY 
    Languages Spoken:
    English, Croatian, French, German

    Dr Novoselac earned his medical degree from University of Zagreb in 1996, and he completed his Internal Medicine residency and Hematology / Oncology fellowship at Lenox HIll Hospital in New York.Dr Novoselac is an Attending Physician at Lenox Hill Hospital and he participates in education and training of medical students, residents and fellow physicians.He is a member of the American Society of Clinical Oncology, American Society of Hematology, American College of Physicians and NY State Medical Society. Dr Novoselac provides care for a range of benign and malignant blood disorders as well as solid tumors, with a special clinical focus on lung cancer. Dr. Novoselac is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Blood Clots, Pleuropulmonary Blastoma, Factor 11 Deficiency, and Anemia.

    Advanced in Factor 11 Deficiency
    Advanced in Factor 11 Deficiency

    Emory Hemophilia Of Georgia

    550 Peachtree Street Northeast, MedicalOfficeTower, 
    Atlanta, GA 
    Experience:
    29+ years
    Languages Spoken:
    English
    Offers Telehealth

    Christine Kempton is a Hematologist practicing medicine in Atlanta, Georgia. She has been practicing medicine for over 29 years. Dr. Kempton is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Hemophilia A, Blood Clots, Hemophilia B, Von Willebrand Disease (VWD), and Bone Marrow Aspiration. Dr. Kempton is board certified in American Board Of Internal Medicine, 2004.

    Advanced in Factor 11 Deficiency
    Hematology | Oncology
    Advanced in Factor 11 Deficiency
    Hematology | Oncology
    12 East 86th Street, Ofc 4, 
    New York, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Brenda Panzera is a Hematologist and an Oncologist practicing medicine in New York, New York. Dr. Panzera is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Blood Clots, Breast Cancer, Paget Disease of the Breast, and Anemia. Dr. Panzera is board certified in American Board Of Internal Medicine/Hematology and American Board Of Internal Medicine/Medical Oncology.

    Advanced in Factor 11 Deficiency
    Oncology | Hematology
    Advanced in Factor 11 Deficiency
    Oncology | Hematology
    90 South Bedford Road, 
    Mount Kisco, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Halaas is a Hematologist and an Oncologist practicing medicine in Mount Kisco, New York. Dr. Halaas is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 59 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Pleuropulmonary Blastoma, Thrombocytopenia, and Monoclonal Gammopathy of Undetermined Significance (MGUS). Dr. Halaas is board certified in American Board Of Internal Medicine/Hematology and American Board Of Internal Medicine/Medical Oncology.

    Advanced in Factor 11 Deficiency
    Advanced in Factor 11 Deficiency

    Jefferson Hematology - Honickman Center

    1101 Chestnut Street, Floor 8, 
    Philadelphia, PA 
    Languages Spoken:
    English
    Accepting New Patients

    Douglass Drelich is a Hematologist practicing medicine in Philadelphia, Pennsylvania. Dr. Drelich is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hemophilia A, Hemophilic Arthropathy, Hemophilia B, and Von Willebrand Disease (VWD). Dr. Drelich is board certified in Internal Medicine and Hematology. Dr. Drelich is currently accepting new patients.

    Advanced in Factor 11 Deficiency
    Advanced in Factor 11 Deficiency

    Northwell Health Center For Advanced Medicine, RJ Zuckerberg Cancer Center

    450 Lakeville Road, Entrance B, 
    Lake Success, NY 
    Languages Spoken:
    English

    Steven L. Allen, MD, FACP, is Professor of Medicine at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. An expert in benign and malignant hematology, he is the System Head for Benign Hematology for the Northwell Health Cancer Institute. As an attending physician at the Monter Cancer Center, Dr. Allen focuses on providing compassionate, personalized, evidence-based multi-disciplinary care. Board certified in Internal Medicine, Hematology and Medical Oncology, Dr. Allen has been the principal investigator for numerous drug trials and has collaborated with several basic science labs, resulting in over 150 publications. Among his many professional affiliations, he is most active with the American Society of Hematology, having served in numerous leadership positions and committees. In addition, he is a dedicated member of the American Society of Clinical Oncology, Empire State Hematology and Oncology Society, and the American College of Physicians. Dr. Allen earned his medical degree from the Johns Hopkins School of Medicine. He trained in internal medicine and hematology/oncology at New York Hospital-Weill Cornell Medical Center. Dr. Allen is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, Follicular Lymphoma, and Bone Marrow Aspiration. Dr. Allen is board certified in American Board Of Internal Medicine, American Board Of Internal Medicine/Hematology, and American Board Of Internal Medicine/Medical Oncology.

    Advanced in Factor 11 Deficiency
    Hematology
    Advanced in Factor 11 Deficiency
    Hematology

    Northwell Health Center For Advanced Medicine, RJ Zuckerberg Cancer Center

    450 Lakeville Road, Entrance B, 
    Lake Success, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Clifton Lee, MD, is an attending physician based at the Monter Cancer Center where he specializes in benign hematology, bleeding disorders and thrombophilia. He maintains an active practice where he focuses on providing compassionate, personalized, evidence-based multi-disciplinary care. Board certified in Internal Medicine, Hematology and Medical Oncology, Dr. Lee is an Assistant Professor of Medicine at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. Dr. Lee earned his medical degree at the State University of New York at Stony Brook. He trained in internal medicine at Long Island Jewish Medical Center and completed a fellowship in Hematology/Oncology at the University of Medicine and Dentistry of New Jersey. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Anemia, Thrombocytopenia, Factor 11 Deficiency, and Deep Vein Thrombosis. Dr. Lee is board certified in American Board Of Internal Medicine, American Board Of Internal Medicine/Hematology, and American Board Of Internal Medicine/Medical Oncology.

    Advanced in Factor 11 Deficiency
    Hematology Oncology
    Advanced in Factor 11 Deficiency
    Hematology Oncology

    HMH - Hematology And Oncology - Edison

    80 James Street, Floor 3, 
    Edison, NJ 
    Languages Spoken:
    English

    Manish Dave is a Hematologist Oncology provider practicing medicine in Edison, New Jersey. Dr. Dave is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Iron Deficiency Anemia, Pulmonary Embolism, and Bone Marrow Aspiration. Dr. Dave is board certified in American Board Of Internal Medicine and Internal Medicine.

    Advanced in Factor 11 Deficiency
    Advanced in Factor 11 Deficiency

    Banner Gateway Medical Center-Banner MD Anderson Cancer Center At Gateway Medical Pavilion

    1920 North Higley Road, Suite 108, 
    Gilbert, AZ 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    My family likes being outdoors; hiking, biking and exploring nature. I enjoy reading SciFi, biographies and baking cookies. Dr. Nance is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Acute Hepatic Porphyria (AHP), Porphyria, Von Willebrand Disease (VWD), and Heyde Syndrome. Dr. Nance is board certified in American Board Of Internal Medicine/Hematology. Dr. Nance is currently accepting new patients.

    Advanced in Factor 11 Deficiency
    Hematology
    Advanced in Factor 11 Deficiency
    Hematology

    Northwest Oncology And Hematology SC

    Hoffman Estates Office, Enter Building 3, Through Glass Doors To Wooden Double Doors At End Of The Hall., 
    Hoffman Estates, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Kevin Mckian is a Hematologist practicing medicine in Hoffman Estates, Illinois. Dr. Mckian is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Muscle Invasive Bladder Cancer, Pulmonary Embolism, Malabsorption, and Thrombocytopenia.

    Advanced in Factor 11 Deficiency
    Hematology | Oncology
    Advanced in Factor 11 Deficiency
    Hematology | Oncology

    Endeavor Health Medical Group

    2650 Ridge Ave., Kellogg Cancer Center, 
    Evanston, IL 
    Languages Spoken:
    English, Hebrew, Yiddish
    Offers Telehealth

    David Grinblatt, MD, a hematologist at Endeavor Health Cancer Institute, specializes in diagnosing and treating blood disorders using the most advanced and effective therapies available. He is actively involved in bringing CAR-T cell therapy to patients, reflecting his commitment to innovation and personalized care. Dr. Grinblatt values optimism and clear communication and works closely with patients to develop treatment plans that align with their unique situation and diagnosis. Dr. Grinblatt is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. He is also highly rated in 56 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Myelodysplastic Syndrome (MDS), Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Grinblatt is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 818

    Last Updated: 04/28/2026

    What is the definition of Factor 11 Deficiency?

    Factor XI deficiency is a disorder that can cause abnormal bleeding due to a shortage (deficiency) of the factor XI protein, which is involved in blood clotting. This condition is classified as either partial or severe based on the degree of deficiency of the factor XI protein. However, regardless of the severity of the protein deficiency, most affected individuals have relatively mild bleeding problems, and some people with this disorder have few if any symptoms. The most common feature of factor XI deficiency is prolonged bleeding after trauma or surgery, especially involving the inside of the mouth and nose (oral and nasal cavities) or the urinary tract. If the bleeding is left untreated after surgery, solid swellings consisting of congealed blood (hematomas) can develop in the surgical area.

    When should I see a Factor 11 Deficiency doctor in The United States?

    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 Factor 11 Deficiency doctor in The United States?

    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 Factor 11 Deficiency doctors in The United States?

    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 Factor 11 Deficiency doctors in The United States?

    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 Factor 11 Deficiency doctor in The United States?

    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 Factor 11 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Factor 11 Deficiency 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 Factor 11 Deficiency doctor in The United States?

    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 Factor 11 Deficiency 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 Factor 11 Deficiency 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 Factor 11 Deficiency doctors in The United States?

    Look for the filter feature on the left side of the Factor 11 Deficiency 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 Factor 11 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Factor 11 Deficiency 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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