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

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

Last Updated: 04/28/2026

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MediFind found 33 doctor with experience in Obesity Hypoventilation Syndrome (OHS) near Canada. Of these, 25 are Experienced, 7 are Advanced and 1 are Distinguished.

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33 providers found
    Distinguished in Obesity Hypoventilation Syndrome (OHS)
    Distinguished in Obesity Hypoventilation Syndrome (OHS)
    St Paul's Hospital, 
    Vancouver, BC, CA 

    Ruzena Tkacova practices practicing medicine in Vancouver, Canada. Tkacova is rated as a Distinguished expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Obstructive Sleep Apnea, Obesity Hypoventilation Syndrome (OHS), Cerebral Hypoxia, and Chronic Obstructive Pulmonary Disease (COPD).

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Hamilton, ON, CA 

    Jan Brozek practices practicing medicine in Hamilton, Canada. Brozek 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 Allergic Rhinitis, Obesity Hypoventilation Syndrome (OHS), Anaphylaxis, and Asthma.

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Calgary, AB, CA 

    Patrick Hanly practices practicing medicine in Calgary, Canada. Mr. Hanly is rated as an Advanced 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, Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), and Vasoconstriction.

    Learn about our expert tiers
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    College Street, 
    Toronto, ON, CA 

    Seithikurippu Perumal-Pandi practices practicing medicine in Toronto, Canada. Perumal-Pandi is rated as an Advanced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 5 other conditions, according to our data. Their clinical expertise encompasses Milia, Obstructive Sleep Apnea, Insomnia, and Obesity Hypoventilation Syndrome (OHS).

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Calgary, AB, CA 

    Willis Tsai practices practicing medicine in Calgary, Canada. Mr. Tsai is rated as an Advanced 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, Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), and Obesity.

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Calgary, AB, CA 

    Sachin Pendharkar practices practicing medicine in Calgary, Canada. Mr. Pendharkar is rated as an Advanced 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, Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), and Chronic Obstructive Pulmonary Disease (COPD).

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Calgary, AB, CA 

    Marcus Povitz practices practicing medicine in Calgary, Canada. Mr. Povitz is rated as an Advanced 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, Cerebral Hypoxia, Obesity Hypoventilation Syndrome (OHS), and Primary Lateral Sclerosis.

    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Advanced in Obesity Hypoventilation Syndrome (OHS)
    Calgary, AB, CA 

    Sarah Barclay practices practicing medicine in Calgary, Canada. Ms. Barclay is rated as an Advanced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Lymphangiomatosis, Obesity Hypoventilation Syndrome (OHS), Familial Dysautonomia, and Obesity.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    401 Smyth Road, K1H 8KL, 
    Ottawa, ON, CA 

    Sherri Katz practices practicing medicine in Ottawa, Canada. Ms. Katz is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Cramp-Fasciculation Syndrome, Becker Muscular Dystrophy, Adenoidectomy, and Heart Transplant.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    St. Paul's Hospital, 
    Vancouver, BC, CA 

    Najib Ayas practices practicing medicine in Vancouver, Canada. Mr. Ayas 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 Insomnia.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    686 Bay Street, 
    Toronto, ON, CA 

    Reshma Amin practices practicing medicine in Toronto, Canada. Ms. Amin is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Central Sleep Apnea, Cramp-Fasciculation Syndrome, Obstructive Sleep Apnea, Adenoidectomy, and Cardiac Ablation.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Vancouver, BC, CA 

    Jeremy Road practices practicing medicine in Vancouver, Canada. Mr. Road 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 Chronic Obstructive Pulmonary Disease (COPD), Obesity Hypoventilation Syndrome (OHS), Athlete's Foot, and Asthma.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Montreal, QC, CA 

    Marta Kaminska practices practicing medicine in Montreal, Canada. Ms. Kaminska is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Cramp-Fasciculation Syndrome, Restless Legs Syndrome, and Excessive Daytime Sleepiness.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    St. Michael's Hospital/Unity Health Toronto

    Toronto, ON, CA 

    David Wong practices practicing medicine in Toronto, Canada. Mr. Wong 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 Retinal Detachment, Age-Related Macular Degeneration (ARMD), Retinal Vein Occlusion, Vitrectomy, and Endoscopy.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    555 University Avenue, 
    Toronto, ON, CA 

    Indra Narang practices practicing medicine in Toronto, Canada. Ms. Narang is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Central Sleep Apnea, Obesity in Children, Adenoidectomy, and Glossectomy.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)

    Alberta Health Services

    Edmonton, AB, CA 

    Sean Bagshaw practices practicing medicine in Edmonton, Canada. Mr. Bagshaw is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Sepsis, Low Blood Pressure, Acute Respiratory Distress Syndrome (ARDS), Liver Transplant, and Heart Bypass Surgery.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Calgary, AB, CA 

    N Hansen-Bech practices practicing medicine in Calgary, Canada. Hansen-Bech is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses X-Linked Congenital Stationary Night Blindness, Obesity Hypoventilation Syndrome (OHS), Cone Dystrophy, and Nearsightedness.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Quebec, QC, CA 

    Annie Lajoie practices practicing medicine in Quebec, Canada. Ms. Lajoie is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Cerebral Hypoxia, Excessive Daytime Sleepiness, and Drowsiness.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    399 Bathurst Street, 
    Toronto, ON, CA 

    Raviraj Raveendran practices practicing medicine in Toronto, Canada. Raveendran is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). Their clinical expertise encompasses Obesity Hypoventilation Syndrome (OHS) and Obstructive Sleep Apnea.

    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Experienced in Obesity Hypoventilation Syndrome (OHS)
    Vancouver, BC, CA 

    Mohammadreza Hajipour practices practicing medicine in Vancouver, Canada. Hajipour is rated as an Experienced expert by MediFind in the treatment of Obesity Hypoventilation Syndrome (OHS). They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Cerebral Hypoxia, Obstructive Sleep Apnea, Vasoconstriction, and Obesity Hypoventilation Syndrome (OHS).

    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 33

    Last Updated: 04/28/2026

    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 Canada?

    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 Canada?

    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 Obesity Hypoventilation Syndrome (OHS) doctors in Canada?

    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 Canada?

    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 Canada?

    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 Canada?

    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 Canada?

    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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