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    Last Updated: 02/22/2026

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    MediFind found 95 doctor with experience in Factor 11 Deficiency near New York, NY. Of these, 71 are Experienced, 20 are Advanced, 3 are Distinguished and 1 are Elite.

    Location
    LocationClose
    95 providers found
      Elite in Factor 11 Deficiency
      Elite in Factor 11 Deficiency

      Mount Sinai West

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

      Lawrence Cytryn is a Hematologist in New York, New York. Dr. Cytryn is rated as an Elite provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Factor 11 Deficiency, Sickle Cell Disease, Acquired Agranulocytosis, and Idiopathic Neutropenia. Dr. Cytryn is currently accepting new patients.

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

      Lower Manhattan Hematology & Oncology

      156 William St Fl 6, 
      New York, NY 
       (0.3 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Raymond Pastore is a Hematologist and an Oncologist in New York, New York. Dr. Pastore is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Polycythemia Vera, Blood Clots, Childhood Iron Deficiency Anemia, Factor 11 Deficiency, and Bone Marrow Aspiration. Dr. Pastore 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 
       (4.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Sridevi Rajeeve is an Internal Medicine provider in New York, New York. Dr. Rajeeve is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. Her top areas of expertise are Factor 11 Deficiency, Relapsed Refractory Multiple Myeloma (RRMM), Multiple Myeloma, Hodgkin Lymphoma, and Bone Marrow Transplant.

      Learn about our expert tiers
      Experienced in Factor 11 Deficiency
      Hematology Oncology
      Experienced in Factor 11 Deficiency
      Hematology Oncology

      Memorial Sloan Kettering Cancer Center

      530 East 74th Street, 
      New York, NY 
       (4.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mark Geyer is a Hematologist Oncology provider in New York, New York. Dr. Geyer is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Leukemia, Chronic Lymphocytic Leukemia (CLL), Bone Marrow Transplant, and Bone Marrow Aspiration.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      Mount Sinai Union Square

      10 Union Sq E, 
      New York, NY 
       (1.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Leonard Naymagon is a Hematologist in New York, New York. Dr. Naymagon is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Venous Thromboembolism (VTE), Hemophagocytic Lymphohistiocytosis, Thrombocytopenia, and Idiopathic Neutropenia. Dr. Naymagon is currently accepting new patients.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      Office

      240 E 38th St Fl 19, 
      New York, NY 
       (2.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Bruce Raphael is a Hematologist in New York, New York. Dr. Raphael is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Essential Thrombocythemia, Chronic Lymphocytic Leukemia (CLL), Non-Hodgkin Lymphoma, Chronic B-Cell Leukemia (CBCL), and Bone Marrow Aspiration.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      NYU Langone PCC BMT Center

      610 2nd Ave, 
      New York, NY 
       (2.7 miles away)
      Languages Spoken:
      English

      Kenneth Hymes is a Hematologist in New York, New York. Dr. Hymes is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Protein S Deficiency, Protein C Deficiency, Congenital Antithrombin 3 Deficiency, Hereditary Resistance to Anti-Vitamin K, and Bone Marrow Aspiration.

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

      Nyu

      240 E 38th St, 
      New York, NY 
       (2.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      David Green is a Hematologist in New York, New York. Dr. Green is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Pulmonary Embolism, Factor 11 Deficiency, Factor V Leiden Thrombophilia, Deep Vein Thrombosis, and Bone Marrow Aspiration.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      Nyu

      240 E 38th St, 
      New York, NY 
       (2.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Maxim Kreditor is an Oncologist in New York, New York. Dr. Kreditor is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Adult Immune Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, and Bone Marrow Aspiration.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      Duane Reade #14488

      575 Lexington Ave, 
      New York, NY 
       (3.6 miles away)
      Languages Spoken:
      English

      John Chapin is an Oncologist in New York, New York. Dr. Chapin is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Blood Clots, Hemophilia B, Hemophilia A, and Factor 11 Deficiency.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      Saint Lukes Roosevelt Hospital Lab

      1000 10th Ave, 
      New York, NY 
       (4.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Katherine Hawkins is a Hematologist in New York, New York. Dr. Hawkins is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. Her top areas of expertise are Shwartzman Phenomenon, Venous Thromboembolism (VTE), Idiopathic Neutropenia, and Acquired Agranulocytosis.

      Colette M. Spaccavento
      Experienced in Factor 11 Deficiency
      Hematology | Oncology
      Experienced in Factor 11 Deficiency
      Hematology | Oncology

      Northwell Health Physician Partners Medical Oncology At MEETH

      210 East 64th Street, 4th Floor, 
      New York, NY 
       (4.2 miles away)
      Languages Spoken:
      English

      Colette Spaccavento is a Hematologist and an Oncologist in New York, New York. Dr. Spaccavento is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. Her top areas of expertise are Thrombocytopenia, Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, and Blood Clots.

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

      Center For Blood Disorders

      520 E 70th St # 341, 
      New York, NY 
       (4.5 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Jeffrey Laurence is a Hematologist and an Oncologist in New York, New York. Dr. Laurence is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Thrombocytopenia, Atypical Hemolytic Uremic Syndrome (aHUS), Hemolytic-Uremic Syndrome, D-Minus Hemolytic Uremic Syndrome, and Tissue Biopsy. Dr. Laurence is currently accepting new patients.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      Seventy Second Street Medical Associates PC

      310 E 72nd St, 
      New York, NY 
       (4.6 miles away)
      Languages Spoken:
      English

      Jeffrey Tepler is a Hematologist in New York, New York. Dr. Tepler is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Small Lymphocytic Lymphoma (SLL), Blood Clots, Schnitzler Syndrome, and Monoclonal Gammopathy of Undetermined Significance (MGUS).

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

      Richard T. Silver, M.D. Myeloproliferative Neoplasms (MPN) Center

      520 E 70th St # 3, 
      New York, NY 
       (4.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Maria De Sancho is a Hematologist and an Oncologist in New York, New York. Dr. De Sancho is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. Her top areas of expertise are Factor 11 Deficiency, Von Willebrand Disease (VWD), Heyde Syndrome, and Pulmonary Embolism. Dr. De Sancho is currently accepting new patients.

      Advanced in Factor 11 Deficiency
      Advanced in Factor 11 Deficiency

      David H. Koch Center For Cancer Care At Memorial Sloan Kettering Cancer Center

      530 E 74th St, 
      New York, NY 
       (4.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Jeffrey Zwicker is a Hematologist in New York, New York. Dr. Zwicker is rated as an Advanced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Venous Thromboembolism (VTE), Metastatic Brain Tumor, Polycythemia Vera, Thrombocytopenia, and Bone Marrow Aspiration. Dr. Zwicker is currently accepting new patients.

      Distinguished in Factor 11 Deficiency
      Hematology
      Distinguished in Factor 11 Deficiency
      Hematology

      The Ruttenberg Treatment Center

      1470 Madison Ave, 
      New York, NY 
       (6.1 miles away)
      Languages Spoken:
      English

      Kevin Troy is a Hematologist in New York, New York. Dr. Troy is rated as a Distinguished provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Factor 11 Deficiency, Thrombocytopenia, Idiopathic Neutropenia, Shwartzman Phenomenon, and Bone Marrow Aspiration.

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

      New York University

      111 Broadway, 
      New York, NY 
       (0.4 miles away)
      Languages Spoken:
      English

      Brian Mcnelis is a Hematologist Oncology specialist and a Hematologist in New York, New York. Dr. Mcnelis is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, and Monoclonal Gammopathy of Undetermined Significance (MGUS).

      Experienced in Factor 11 Deficiency
      Family Medicine
      Experienced in Factor 11 Deficiency
      Family Medicine

      Thea. Spyer Center

      230 W 17th St, 
      New York, NY 
       (2.0 miles away)
      Languages Spoken:
      English

      Ginger Gillespie is a primary care provider, practicing in Family Medicine in New York, New York. Dr. Gillespie is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Intrauterine Device Insertion.

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

      The Blavatnik Family - Chelsea Medical Center

      325 W 15th St Fl 1, 
      New York, NY 
       (2.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Ilan Shapira is a Hematologist and an Oncologist in New York, New York. Dr. Shapira is rated as an Experienced provider by MediFind in the treatment of Factor 11 Deficiency. His top areas of expertise are Thrombocytopenia, Myelodysplastic Syndrome (MDS), Adult Immune Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP). Dr. Shapira is currently accepting new patients.

      Showing 1-20 of 95

      Last Updated: 02/22/2026

      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 near New York, NY?

      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 near New York, NY?

      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 near New York, NY?

      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 near New York, NY?

      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 near New York, NY?

      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 near New York, NY?

      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 near New York, NY?

      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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