The 20 Best Protein S Deficiency Doctors in Japan

Find the Top Protein S Deficiency Experts and Specialists

Last Updated: 11/08/2026

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MediFind found 247 doctor with experience in Protein S Deficiency near Japan. Of these, 204 are Experienced, 29 are Advanced, 10 are Distinguished and 4 are Elite.

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247 providers found
    Elite in Protein S Deficiency
    Elite in Protein S Deficiency
    Referral may be required
    Kanazawa, JP 

    Eriko Morishita practices practicing medicine in Kanazawa, Japan. Ms. Morishita is rated as an Elite expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Protein S Deficiency, Protein C Deficiency, Congenital Antithrombin 3 Deficiency, Bone Marrow Transplant, and Splenectomy.

    Elite in Protein S Deficiency
    Elite in Protein S Deficiency
    Referral may be required
    Suita, JP 

    Keiko Maruyama practices practicing medicine in Suita, Japan. Ms. Maruyama is rated as an Elite expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Protein S Deficiency, Deep Vein Thrombosis, Mesenteric Venous Thrombosis, and Protein C Deficiency.

    Elite in Protein S Deficiency
    Elite in Protein S Deficiency
    Referral may be required
    Suita, JP 

    Koichi Kokame practices practicing medicine in Suita, Japan. Mr. Kokame is rated as an Elite expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Protein S Deficiency, Thrombocytopenia, Purpura, and Blood Clots.

    Learn about our expert tiers
    Elite in Protein S Deficiency
    Elite in Protein S Deficiency
    Referral may be required
    Hamamatsu, JP 

    Takao Kobayashi practices practicing medicine in Hamamatsu, Japan. Mr. Kobayashi is rated as an Elite expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Protein S Deficiency, Protein C Deficiency, Venous Thromboembolism (VTE), and Deep Vein Thrombosis.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Fukuoka, JP 

    Dongchon Kang practices practicing medicine in Fukuoka, Japan. Kang is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Protein S Deficiency, Protein C Deficiency, Acrofacial Dysostosis Catania Type, and Miller Syndrome.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Fukuoka, JP 

    Hiroko Tsuda practices practicing medicine in Fukuoka, Japan. Ms. Tsuda is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Protein S Deficiency, Obstructive Sleep Apnea, Protein C Deficiency, and Venous Thromboembolism (VTE).

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Kanazawa, JP 

    Satomi Nagaya practices practicing medicine in Kanazawa, Japan. Ms. Nagaya is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Protein S Deficiency, Protein C Deficiency, Congenital Antithrombin 3 Deficiency, and Factor 10 Deficiency.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Fukuoka, JP 

    Shouichi Ohga practices practicing medicine in Fukuoka, Japan. Ohga is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. They are also highly rated in 36 other conditions, according to our data. Their clinical expertise encompasses Protein C Deficiency, Aase Syndrome, Pure Red Cell Aplasia, Vitrectomy, and Spinal Fusion.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Fukuoka, JP 

    Taeko Hotta practices practicing medicine in Fukuoka, Japan. Ms. Hotta is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Protein C Deficiency, Protein S Deficiency, Congenital Antithrombin 3 Deficiency, Blood Clots, and Vitrectomy.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Kanazawa, JP 

    Hidesaku Asakura practices practicing medicine in Kanazawa, Japan. Asakura is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Disseminated Intravascular Coagulation, Blood Clots, Protein S Deficiency, Factor 10 Deficiency, and Tissue Biopsy.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Yokohama, JP 

    Toshitaka Sugi practices practicing medicine in Yokohama, Japan. Sugi is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Protein S Deficiency.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Hamamatsu, JP 

    Toshiyuki Ojima practices practicing medicine in Hamamatsu, Japan. Mr. Ojima is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Protein S Deficiency, Arterial Embolism, Protein C Deficiency, Spinal Fusion, and Splenectomy.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Tagawa, JP 

    Kazuko Sugiura practices practicing medicine in Tagawa, Japan. Ms. Sugiura is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Protein S Deficiency, Arterial Embolism, Protein C Deficiency, and Deep Vein Thrombosis.

    Distinguished in Protein S Deficiency
    Distinguished in Protein S Deficiency
    Referral may be required
    Nagasaki International University. 2825-7 Hausutenbosu Cho, 
    Sasebo, JP 

    Hiroyuki Kuma practices practicing medicine in Sasebo, Japan. Mr. Kuma is rated as a Distinguished expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Protein S Deficiency, Protein C Deficiency, and Deep Vein Thrombosis.

    Advanced in Protein S Deficiency
    Advanced in Protein S Deficiency
    Referral may be required
    Sapporo, JP 

    Hideto Yamada practices practicing medicine in Sapporo, Japan. Mr. Yamada is rated as an Advanced expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Congenital Cytomegalovirus, Cytomegalic Inclusion Disease, Cytomegalovirus Infection, Protein S Deficiency, and Endoscopy.

    Advanced in Protein S Deficiency
    Advanced in Protein S Deficiency
    Referral may be required
    Sapporo, JP 

    Yasuhiko Ebina practices practicing medicine in Sapporo, Japan. Ebina is rated as an Advanced expert by MediFind in the treatment of Protein S Deficiency. They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Cytomegalic Inclusion Disease, Congenital Cytomegalovirus, Cervical Cancer, Hysterectomy, and Lymphadenectomy.

    Advanced in Protein S Deficiency
    Advanced in Protein S Deficiency
    Referral may be required
    Kashihara-shi, JP 

    Keiji Nogami practices practicing medicine in Kashihara-shi, Japan. Mr. Nogami is rated as an Advanced expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hemophilia A, Blood Clots, Acquired Hemophilia, Synovectomy, and Adenoidectomy.

    Advanced in Protein S Deficiency
    Advanced in Protein S Deficiency
    Referral may be required
    Sendai, JP 

    Yoshihiro Sato practices practicing medicine in Sendai, Japan. Mr. Sato is rated as an Advanced expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Protein S Deficiency, SVC Obstruction, Hernia, Ileostomy, and Small Bowel Resection.

    Advanced in Protein S Deficiency
    Advanced in Protein S Deficiency
    Referral may be required
    Higashi, JP 

    Masako Ichiyama practices practicing medicine in Higashi, Japan. Ms. Ichiyama is rated as an Advanced expert by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Protein C Deficiency, Protein S Deficiency, Brown-Sequard Syndrome, and Congenital Antithrombin 3 Deficiency.

    Advanced in Protein S Deficiency
    Advanced in Protein S Deficiency
    Referral may be required
    Fukuoka, JP 

    Masayuki Ochiai practices practicing medicine in Fukuoka, Japan. Mr. Ochiai is rated as an Advanced expert by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Protein C Deficiency, Protein S Deficiency, CHARGE Syndrome, and Premature Infant.

    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 247

    Last Updated: 11/08/2026

    What is the definition of Protein S Deficiency?

    Protein S deficiency is a disorder that increases the risk of developing blood clots. People with protein S deficiency are at risk of developing a type of clot called a deep vein thrombosis (DVT) that occurs in the deep veins of the arms or legs. A DVT can travel through the bloodstream and lodge in the lungs, causing a life-threatening clot called a pulmonary embolism (PE). Both DVTs and PEs are a type of venous thromboembolism, a general term for blood clots that form in a vein. Factors such as age, surgery, immobility, or pregnancy can increase the risk of clotting in people with protein S deficiency. In addition, people who have protein S deficiency and another inherited blood clotting disorder may have a higher risk of developing blood clots. Venous thromboembolism occurs in approximately fifty to sixty percent of people with protein S deficiency.

    When should I see a Protein S 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 Protein S 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 Protein S Deficiency doctor in Japan?

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

    Protein S Deficiency doctor near New York, NY
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    Protein S Deficiency doctor near Philadelphia, PA
    Protein S Deficiency doctor near Atlanta, GA
    Protein S Deficiency doctor near Boston, MA
    Protein S Deficiency doctor near Dallas, TX
    Protein S Deficiency doctor near San Jose, CA

    How does MediFind rank Protein S 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 Protein S 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 Protein S 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 Protein S Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Protein S 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 Protein S 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 Protein S 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 Protein S 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 Protein S Deficiency doctors in Japan?

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

    Look for the filter feature on the left-side of the Protein S 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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