The 20 Best Factor 12 Deficiency Doctors in Japan

Find the Top Factor 12 Deficiency Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 24 doctor with experience in Factor 12 Deficiency near Japan. Of these, 23 are Experienced and 1 are Distinguished.

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24 providers found
    Distinguished in Factor 12 Deficiency

    Haruhiko Maruyama
    Distinguished in Factor 12 Deficiency

    Haruhiko Maruyama
    Referral may be required
    Miyazaki, JP 

    Haruhiko Maruyama practices practicing medicine in Miyazaki, Japan. Maruyama is rated as a Distinguished expert by MediFind in the treatment of Factor 12 Deficiency. They are also highly rated in 17 other conditions, according to our data. Their clinical expertise encompasses Visceral Larva Migrans, Creeping Eruption, Helminthiasis, and Strongyloidiasis.

    Experienced in Factor 12 Deficiency

    Keisuke Yoshida
    Experienced in Factor 12 Deficiency

    Keisuke Yoshida
    Referral may be required
    Fukushima, JP 

    Keisuke Yoshida practices practicing medicine in Fukushima, Japan. Mr. Yoshida is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. His clinical expertise encompasses Acute Pain, Factor 12 Deficiency, Disseminated Intravascular Coagulation, Hysterectomy, and Aneurysm Repair.

    Experienced in Factor 12 Deficiency

    Tomoko Ichikawa
    Experienced in Factor 12 Deficiency

    Tomoko Ichikawa
    Referral may be required
    Tokyo, JP 

    Tomoko Ichikawa practices practicing medicine in Tokyo, Japan. Ms. Ichikawa is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Her clinical expertise encompasses Factor 12 Deficiency, Prothrombin Deficiency, 46XX Testicular Disorder of Sex Development, and Protein S Deficiency.

    Learn about our expert tiers
    Experienced in Factor 12 Deficiency

    Yasuyuki Negishi
    Experienced in Factor 12 Deficiency

    Yasuyuki Negishi
    Referral may be required
    Tokyo, JP 

    Yasuyuki Negishi practices practicing medicine in Tokyo, Japan. Negishi is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Their clinical expertise encompasses Endometritis, Painful Menstrual Periods, Factor 12 Deficiency, and Kikuchi Disease.

    Experienced in Factor 12 Deficiency

    Kazuo Kawasugi
    Experienced in Factor 12 Deficiency

    Kazuo Kawasugi
    Referral may be required
    Tokyo, JP 

    Kazuo Kawasugi practices practicing medicine in Tokyo, Japan. Mr. Kawasugi is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Disseminated Intravascular Coagulation, Blood Clots, Factor 12 Deficiency, Factor 10 Deficiency, and Transcatheter Aortic Valve Replacement (TAVR).

    Experienced in Factor 12 Deficiency

    Hisashi Sakaguchi
    Experienced in Factor 12 Deficiency

    Hisashi Sakaguchi
    Referral may be required
    Komatsubara, JP 

    Hisashi Sakaguchi practices practicing medicine in Komatsubara, Japan. Mr. Sakaguchi is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. His clinical expertise encompasses Factor 12 Deficiency, Abdominal Aortic Aneurysm (AAA), Thoracic Aortic Aneurysm, Thrombectomy, and Transcatheter Aortic Valve Replacement (TAVR).

    Experienced in Factor 12 Deficiency

    Hiroshi Kamata
    Experienced in Factor 12 Deficiency

    Hiroshi Kamata
    Referral may be required
    Kameino, JP 

    Hiroshi Kamata practices practicing medicine in Kameino, Japan. Mr. Kamata is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Ringworm, Factor 12 Deficiency, Athlete's Foot, and Aspergillosis.

    Experienced in Factor 12 Deficiency

    Yoshimitsu Kuwabara
    Experienced in Factor 12 Deficiency

    Yoshimitsu Kuwabara
    Referral may be required
    Tokyo, JP 

    Yoshimitsu Kuwabara practices practicing medicine in Tokyo, Japan. Kuwabara is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Their clinical expertise encompasses Hyperemesis Gravidarum, Morning Sickness, Prothrombin Deficiency, Antiphospholipid Syndrome, and Hormone Replacement Therapy (HRT).

    Experienced in Factor 12 Deficiency

    Shigeru Matsuda
    Experienced in Factor 12 Deficiency

    Shigeru Matsuda
    Referral may be required
    Tokyo, JP 

    Shigeru Matsuda practices practicing medicine in Tokyo, Japan. Mr. Matsuda is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Retroversion of the Uterus, 46XX Testicular Disorder of Sex Development, Factor 12 Deficiency, and Endometriosis.

    Experienced in Factor 12 Deficiency

    Shunji Suzuki
    Experienced in Factor 12 Deficiency

    Shunji Suzuki
    Referral may be required
    Sendagi, JP 

    Shunji Suzuki practices practicing medicine in Sendagi, Japan. Suzuki is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Macrosomia, Postpartum Depression, Hyperemesis Gravidarum, Oophorectomy, and Salpingo-Oophorectomy.

    Experienced in Factor 12 Deficiency

    Rui Kano
    Experienced in Factor 12 Deficiency

    Rui Kano
    Referral may be required
    Tokyo, JP 

    Rui Kano practices practicing medicine in Tokyo, Japan. Mr. Kano is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Ringworm, Fungal Nail Infection, Athlete's Foot, and Kerion Celsi.

    Experienced in Factor 12 Deficiency

    Sayuri Kasano
    Experienced in Factor 12 Deficiency

    Sayuri Kasano
    Referral may be required
    Sendagi, JP 

    Sayuri Kasano practices practicing medicine in Sendagi, Japan. Ms. Kasano is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Her clinical expertise encompasses Prothrombin Deficiency, Factor 12 Deficiency, Antiphospholipid Syndrome, and Protein S Deficiency.

    Experienced in Factor 12 Deficiency

    Nozomi Ouchi
    Experienced in Factor 12 Deficiency

    Nozomi Ouchi
    Referral may be required
    Tokyo, JP 

    Nozomi Ouchi practices practicing medicine in Tokyo, Japan. Ms. Ouchi is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Prothrombin Deficiency, Hyperemesis Gravidarum, Morning Sickness, and Teratocarcinosarcoma.

    Experienced in Factor 12 Deficiency

    Toshiyuki Takeshita
    Experienced in Factor 12 Deficiency

    Toshiyuki Takeshita
    Referral may be required
    Shinjuku, JP 

    Toshiyuki Takeshita practices practicing medicine in Shinjuku, Japan. Mr. Takeshita is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Protein S Deficiency, Teratoma of the Mediastinum, Epidermoid Cyst, Endoscopy, and Hysterectomy.

    Experienced in Factor 12 Deficiency

    Yumene Kubota
    Experienced in Factor 12 Deficiency

    Yumene Kubota
    Referral may be required
    Tokyo, JP 

    Yumene Kubota practices practicing medicine in Tokyo, Japan. Kubota is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Their clinical expertise encompasses Factor 12 Deficiency, Protein S Deficiency, and Twin-To-Twin Transfusion Syndrome.

    Experienced in Factor 12 Deficiency

    Kazuhiro P. Watanabe
    Experienced in Factor 12 Deficiency

    Kazuhiro P. Watanabe
    Referral may be required
    Tokyo, JP 

    Kazuhiro Watanabe practices practicing medicine in Tokyo, Japan. Mr. Watanabe is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Viral Gastroenteritis, Intestinal Cancer, Colonoscopy, and Endoscopy.

    Experienced in Factor 12 Deficiency

    Keita Yano
    Experienced in Factor 12 Deficiency

    Keita Yano
    Referral may be required
    Wakayama, JP 

    Keita Yano practices practicing medicine in Wakayama, Japan. Yano is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Their clinical expertise encompasses Factor 12 Deficiency.

    Experienced in Factor 12 Deficiency

    Ryoko Yokote
    Experienced in Factor 12 Deficiency

    Ryoko Yokote
    Referral may be required
    Sendagi, JP 

    Ryoko Yokote practices practicing medicine in Sendagi, Japan. Ms. Yokote is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Her clinical expertise encompasses Factor 12 Deficiency, Antiphospholipid Syndrome, and Protein S Deficiency.

    Experienced in Factor 12 Deficiency

    Daisuke Shigemi
    Experienced in Factor 12 Deficiency

    Daisuke Shigemi
    Referral may be required
    Tokyo, JP 

    Daisuke Shigemi practices practicing medicine in Tokyo, Japan. Mr. Shigemi is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Pelvic Inflammatory Disease, Neonatal Conjunctivitis, Retroversion of the Uterus, Endoscopy, and Mastectomy.

    Experienced in Factor 12 Deficiency

    Shiori Tanaka
    Experienced in Factor 12 Deficiency

    Shiori Tanaka
    Referral may be required
    Fukushima, JP 

    Shiori Tanaka practices practicing medicine in Fukushima, Japan. Ms. Tanaka is rated as an Experienced expert by MediFind in the treatment of Factor 12 Deficiency. Her clinical expertise encompasses Factor 12 Deficiency and Subcutaneous Emphysema.

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-20 of 24

    Last Updated: 06/30/2026

    What is the definition of Factor 12 Deficiency?

    Factor XII deficiency is an inherited disorder that affects a protein (factor XII) involved in blood clotting. While a lack of factor XII does not cause affected individuals to bleed abnormally, the blood takes longer than normal to clot in a test tube. The condition is usually discovered when prolonged clotting is noticed in the process of running other laboratory tests. Factor XII deficiency is caused by genetic changes in the F12 gene. It is inherited in an autosomal recessive manner.

    When should I see a Factor 12 Deficiency doctor in Japan?

    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 12 Deficiency doctor in Japan?

    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 do I find the best Factor 12 Deficiency doctor in Japan?

    You can find a Factor 12 Deficiency doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Factor 12 Deficiency doctors in Japan?

    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 12 Deficiency doctors in Japan?

    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 12 Deficiency doctor in Japan?

    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 12 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Factor 12 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 12 Deficiency doctor in Japan?

    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 12 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 12 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 12 Deficiency doctors in Japan?

    Look for the filter feature on the left side of the Factor 12 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 12 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Factor 12 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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