The 20 Best Obesity Hypoventilation Syndrome (OHS) Doctors in Japan

Find the Top Obesity Hypoventilation Syndrome (OHS) Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 68 doctor with experience in Obesity Hypoventilation Syndrome (OHS) near Japan. Of these, 65 are Experienced and 3 are Advanced.

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68 providers found
    Advanced in Obesity Hypoventilation Syndrome (OHS)

    Kazuo L. Chin
    Advanced in Obesity Hypoventilation Syndrome (OHS)

    Kazuo L. Chin
    Referral may be required
    Kyoto, JP 

    Kazuo Chin practices practicing medicine in Kyoto, Japan. Mr. Chin is rated as an Advanced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), Lung Transplant, and Osteotomy.

    Advanced in Obesity Hypoventilation Syndrome (OHS)

    Ryota Kikuchi
    Advanced in Obesity Hypoventilation Syndrome (OHS)

    Ryota Kikuchi
    Referral may be required
    Tokyo, JP 

    Ryota Kikuchi practices practicing medicine in Tokyo, Japan. Mr. Kikuchi is rated as an Advanced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Clubbing of the Fingers or Toes, Acute Interstitial Pneumonia, Interstitial Lung Disease, Obesity Hypoventilation Syndrome (OHS), and Liver Transplant.

    Advanced in Obesity Hypoventilation Syndrome (OHS)

    Kazutetsu Aoshiba
    Advanced in Obesity Hypoventilation Syndrome (OHS)

    Kazutetsu Aoshiba
    Referral may be required
    Hachioji, JP 

    Kazutetsu Aoshiba practices practicing medicine in Hachioji, Japan. Aoshiba is rated as an Advanced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Clubbing of the Fingers or Toes, Cerebral Hypoxia, Emphysema, and Obesity Hypoventilation Syndrome (OHS).

    Learn about our expert tiers
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Toyohiro Hirai
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Toyohiro Hirai
    Referral may be required
    Kyoto, JP 

    Toyohiro Hirai practices practicing medicine in Kyoto, Japan. Hirai is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 37 other conditions, according to our data. Their clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Emphysema, Metastatic Brain Tumor, Kidney Transplant, and Lung Transplant.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Hajime Kasai
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Hajime Kasai
    Referral may be required
    Chiba, JP 

    Hajime Kasai practices practicing medicine in Chiba, Japan. Mr. Kasai is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Pulmonary Arteriovenous Malformation (PAVM), Pulmonary Hypertension, Pulmonary Arteriovenous Fistula, Stent Placement, and Bone Marrow Transplant.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Jiro Terada
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Jiro Terada
    Referral may be required
    Narita, JP 

    Jiro Terada practices practicing medicine in Narita, Japan. Mr. Terada is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Acute Interstitial Pneumonia, Interstitial Lung Disease, Lung Transplant, and Endoscopy.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Toru Oga
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Toru Oga
    Referral may be required
    Kurashiki, JP 

    Toru Oga practices practicing medicine in Kurashiki, Japan. Mr. Oga is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Chronic Obstructive Pulmonary Disease (COPD), Obesity, Osteotomy, and Lung Transplant.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Yuka Harada
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Yuka Harada
    Referral may be required
    Kyoto, JP 

    Yuka Harada practices practicing medicine in Kyoto, Japan. Ms. Harada is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Obesity Hypoventilation Syndrome (OHS), Obesity, and Cerebral Hypoxia.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Masanori Azuma
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Masanori Azuma
    Referral may be required
    Osaka, JP 

    Masanori Azuma practices practicing medicine in Osaka, Japan. Mr. Azuma is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), and Obesity.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Chikara Yoshimura
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Chikara Yoshimura
    Referral may be required
    Fukuoka, JP 

    Chikara Yoshimura practices practicing medicine in Fukuoka, Japan. Ms. Yoshimura is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Hypertension, Obesity Hypoventilation Syndrome (OHS), and Obesity.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Yoshiro Toyama
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Yoshiro Toyama
    Referral may be required
    Osaka, JP 

    Yoshiro Toyama practices practicing medicine in Osaka, Japan. Mr. Toyama is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Obesity Hypoventilation Syndrome (OHS), Cerebral Hypoxia, and Obesity.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kimihiko Murase
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kimihiko Murase
    Referral may be required
    Kawahara, JP 

    Kimihiko Murase practices practicing medicine in Kawahara, Japan. Murase is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Obstructive Sleep Apnea, Obesity, Cerebral Hypoxia, Irregular Sleep-Wake Syndrome, and Lung Transplant.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kiminobu Tanizawa
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kiminobu Tanizawa
    Referral may be required
    Kyoto, JP 

    Kiminobu Tanizawa practices practicing medicine in Kyoto, Japan. Tanizawa is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 12 other conditions, according to our data. Their clinical expertise encompasses Acute Interstitial Pneumonia, Interstitial Lung Disease, Obstructive Sleep Apnea, Pulmonary Fibrosis, and Lung Transplant.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kyohei Daigo
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kyohei Daigo
    Referral may be required
    Tokyo, JP 

    Kyohei Daigo practices practicing medicine in Tokyo, Japan. Mr. Daigo is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). His clinical expertise encompasses Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), Heart Tumor, and Pulmonary Hypertension.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Seiji Nishikage
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Seiji Nishikage
    Referral may be required
    Kobe, JP 

    Seiji Nishikage practices practicing medicine in Kobe, Japan. Mr. Nishikage is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). His clinical expertise encompasses Adrenal Gland Adenoma, SHORT Syndrome, Obesity Hypoventilation Syndrome (OHS), and Type 2 Diabetes (T2D).

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Takuma Minami
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Takuma Minami
    Referral may be required
    Kyoto, JP 

    Takuma Minami practices practicing medicine in Kyoto, Japan. Mr. Minami is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Cerebral Hypoxia, Obstructive Sleep Apnea, Primary Lateral Sclerosis, and Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease).

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kazushi Fujimoto
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kazushi Fujimoto
    Referral may be required
    Suita, JP 

    Kazushi Fujimoto practices practicing medicine in Suita, Japan. Fujimoto is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Interstitial Lung Disease, Acute Interstitial Pneumonia, Idiopathic Pulmonary Fibrosis, Pulmonary Fibrosis, and Endoscopy.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Hiroyuki Nakamura
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Hiroyuki Nakamura
    Referral may be required
    Chiba, JP 

    Hiroyuki Nakamura practices practicing medicine in Chiba, Japan. Mr. Nakamura is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Cerebral Hypoxia, Oral Squamous Cell Carcinoma, Niemann-Pick Disease, Splenectomy, and Endoscopy.

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kazuhiro Yamaguchi
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Kazuhiro Yamaguchi
    Referral may be required
    Electrical And Electronic Engineering Course, 
    Hitachi-naka, JP 

    Kazuhiro Yamaguchi practices practicing medicine in Hitachi-naka, Japan. Mr. Yamaguchi is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). His clinical expertise encompasses Emphysema, Obstructive Sleep Apnea, Chronic Obstructive Pulmonary Disease (COPD), and Obesity Hypoventilation Syndrome (OHS).

    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Tomohiro Handa
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Tomohiro Handa
    Referral may be required
    Kyoto, JP 

    Tomohiro Handa practices practicing medicine in Kyoto, Japan. Mr. Handa is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Interstitial Lung Disease, Acute Interstitial Pneumonia, Pulmonary Alveolar Proteinosis, Lung Transplant, and Liver Transplant.

    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 68

    Last Updated: 06/30/2026

    What is the definition of Obesity Hypoventilation Syndrome (OHS)?

    Obesity hypoventilation syndrome (OHS) causes poor breathing in some people with obesity. It leads to lower oxygen and higher carbon dioxide levels in the blood.

    When should I see an Obesity Hypoventilation Syndrome (OHS) 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 an Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) doctor in Japan?

    You can find an Obesity Hypoventilation Syndrome (OHS) doctor in any of the 10 largest U.S. cities by clicking below:

    Obesity Hypoventilation Syndrome (OHS) doctor near New York, NY
    Obesity Hypoventilation Syndrome (OHS) doctor near Los Angeles, CA
    Obesity Hypoventilation Syndrome (OHS) doctor near Chicago, IL
    Obesity Hypoventilation Syndrome (OHS) doctor near Houston, TX
    Obesity Hypoventilation Syndrome (OHS) doctor near Phoenix, AZ
    Obesity Hypoventilation Syndrome (OHS) doctor near Philadelphia, PA
    Obesity Hypoventilation Syndrome (OHS) doctor near Atlanta, GA
    Obesity Hypoventilation Syndrome (OHS) doctor near Boston, MA
    Obesity Hypoventilation Syndrome (OHS) doctor near Dallas, TX
    Obesity Hypoventilation Syndrome (OHS) doctor near San Jose, CA

    How does MediFind rank Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) 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 an Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) doctor search results page. 

    Why is it important to get a second opinion from a different Obesity Hypoventilation Syndrome (OHS) 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 an Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) 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 Obesity Hypoventilation Syndrome (OHS) doctors in Japan?

    Look for the filter feature on the left side of the Obesity Hypoventilation Syndrome (OHS) 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 an Obesity Hypoventilation Syndrome (OHS) doctor that offers video calls?

    Look for the filter feature on the left-side of the Obesity Hypoventilation Syndrome (OHS) 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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