The 20 Best Down Syndrome Doctors Near Me in Ontario, CA

Find the Top Down Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 109 doctor with experience in Down Syndrome near Ontario, CA. Of these, 92 are Experienced, 16 are Advanced and 1 are Elite.

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109 providers found
    Elite in Down Syndrome

    Johann K. Hitzler
    Elite in Down Syndrome

    Johann K. Hitzler
    555 University Avenue, 
    Toronto, ON, CA 

    Johann Hitzler practices practicing medicine in Toronto, Canada. Hitzler is rated as an Elite expert by MediFind in the treatment of Down Syndrome. They are also highly rated in 6 other conditions, according to our data. Their clinical expertise encompasses Down Syndrome, L1 Syndrome, Acute Lymphoblastic Leukemia (ALL), Leukemia, and Bone Marrow Transplant.

    Advanced in Down Syndrome

    Jason N. Berman
    Advanced in Down Syndrome

    Jason N. Berman
    Ottawa, ON, CA 

    Jason Berman practices practicing medicine in Ottawa, Canada. Mr. Berman is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Li-Fraumeni Syndrome, Dyskeratosis Congenita, CHARGE Syndrome, and Down Syndrome.

    Advanced in Down Syndrome

    Tianhua L. Huang
    Advanced in Down Syndrome

    Tianhua L. Huang
    Better Outcomes Registry & Network, ON, CA 

    Tianhua Huang practices practicing medicine in Better Outcomes Registry & Network, Canada. Huang is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. They are also highly rated in 4 other conditions, according to our data. Their clinical expertise encompasses Intrauterine Growth Restriction, Down Syndrome, Trisomy 18, and Preeclampsia.

    Learn about our expert tiers
    Advanced in Down Syndrome

    Wendy S. Meschino
    Advanced in Down Syndrome

    Wendy S. Meschino
    Toronto, ON, CA 

    Wendy Meschino practices practicing medicine in Toronto, Canada. Ms. Meschino is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Nicolaides-Baraitser Syndrome, Down Syndrome, Micrognathia, Salpingo-Oophorectomy, and Oophorectomy.

    Advanced in Down Syndrome

    Ruud J. Verstegen
    Advanced in Down Syndrome

    Ruud J. Verstegen
    Toronto, ON, CA 

    Ruud Verstegen practices practicing medicine in Toronto, Canada. Verstegen is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses DRESS Syndrome, Down Syndrome, Juvenile Idiopathic Arthritis (JIA), and Primary Immunodeficiency (PID).

    Advanced in Down Syndrome

    Gabor G. Kovacs
    Advanced in Down Syndrome

    Gabor G. Kovacs
    1 King's College Circle, 
    Toronto, ON, CA 

    Gabor Kovacs practices practicing medicine in Toronto, Canada. Mr. Kovacs is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Progressive Supranuclear Palsy Atypical, Progressive Supranuclear Palsy, Supranuclear Ophthalmoplegia, and Creutzfeldt-Jakob Disease.

    Advanced in Down Syndrome

    James A. Whitlock
    Advanced in Down Syndrome

    James A. Whitlock
    Toronto, ON, CA 

    James Whitlock practices practicing medicine in Toronto, Canada. Mr. Whitlock is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Langerhans Cell Histiocytosis, Acute Lymphoblastic Leukemia (ALL), Histiocytosis, and Reticulohistiocytoma.

    Advanced in Down Syndrome

    Shamim Rashid
    Advanced in Down Syndrome

    Shamim Rashid
    Toronto, ON, CA 

    Shamim Rashid practices practicing medicine in Toronto, Canada. Ms. Rashid is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Preeclampsia, Down Syndrome, Chromosome 13q Duplication, and Trisomy 13.

    Advanced in Down Syndrome

    Nicole M. Neil
    Advanced in Down Syndrome

    Nicole M. Neil
    London, ON, CA 

    Nicole Neil practices practicing medicine in London, Canada. Ms. Neil is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Down Syndrome and Autism Spectrum Disorder.

    Advanced in Down Syndrome

    Nan Okun
    Advanced in Down Syndrome

    Nan Okun
    Toronto, ON, CA 

    Nan Okun practices practicing medicine in Toronto, Canada. Ms. Okun is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Mucolipidosis Type 4, Mucolipidosis 3, Down Syndrome, and Trisomy 18.

    Advanced in Down Syndrome

    Tina L. Beckett
    Advanced in Down Syndrome

    Tina L. Beckett
    2075 Bayview Ave, 
    Toronto, ON, CA 

    Tina Beckett practices practicing medicine in Toronto, Canada. Ms. Beckett is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Vascular Dementia, Alzheimer's Disease, Dementia, and Cerebral Amyloid Angiopathy.

    Advanced in Down Syndrome

    Eric R. Lechman
    Advanced in Down Syndrome

    Eric R. Lechman
    Toronto, ON, CA 

    Eric Lechman practices practicing medicine in Toronto, Canada. Mr. Lechman is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Down Syndrome, and Acute Megakaryoblastic Leukemia.

    Advanced in Down Syndrome

    John E. Dick
    Advanced in Down Syndrome

    John E. Dick
    Toronto, ON, CA 

    John Dick practices practicing medicine in Toronto, Canada. Mr. Dick is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Leukemia, Acute Lymphoblastic Leukemia (ALL), Down Syndrome, and Bone Marrow Transplant.

    Advanced in Down Syndrome

    Olga I. Gan
    Advanced in Down Syndrome

    Olga I. Gan
    Toronto, ON, CA 

    Olga Gan practices practicing medicine in Toronto, Canada. Ms. Gan is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Leukemia, Down Syndrome, Acute Megakaryoblastic Leukemia, and Acute Lymphoblastic Leukemia (ALL).

    Advanced in Down Syndrome

    Bosco A. Paes
    Advanced in Down Syndrome

    Bosco A. Paes
    Hamilton, ON, CA 

    Bosco Paes practices practicing medicine in Hamilton, Canada. Mr. Paes is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Parainfluenza, Respiratory Syncytial Virus (RSV) Infection, Premature Infant, and Bronchopulmonary Dysplasia.

    Advanced in Down Syndrome

    Shelley D. Dougan
    Advanced in Down Syndrome

    Shelley D. Dougan
    Ottawa, ON, CA 

    Shelley Dougan practices practicing medicine in Ottawa, Canada. Dougan is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Trisomy 18, Down Syndrome, Gastroschisis, and Bilirubin Encephalopathy.

    Advanced in Down Syndrome

    Kara Dussault-Bellai
    Advanced in Down Syndrome

    Kara Dussault-Bellai
    Ottawa, ON, CA 

    Kara Dussault-Bellai practices practicing medicine in Ottawa, Canada. Dussault-Bellai is rated as an Advanced expert by MediFind in the treatment of Down Syndrome. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Trisomy 18, Down Syndrome, Glucose Phosphate Isomerase Deficiency, and Hypotonia.

    Experienced in Down Syndrome

    Sherri L. Katz
    Experienced in Down Syndrome

    Sherri L. Katz
    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 Down Syndrome. 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 Down Syndrome

    Paul C. Nathan
    Experienced in Down Syndrome

    Paul C. Nathan
    555 University Ave, 
    Toronto, ON, CA 

    Paul Nathan practices practicing medicine in Toronto, Canada. Mr. Nathan is rated as an Experienced expert by MediFind in the treatment of Down Syndrome. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses High Blood Pressure in Infants, Metastatic Uveal Melanoma, Hodgkin Lymphoma, Acute Pain, and Nephrectomy.

    Experienced in Down Syndrome

    Brenda J. Wilson
    Experienced in Down Syndrome

    Brenda J. Wilson
    451 Smyth Road, 
    Ottawa, ON, CA 

    Brenda Wilson practices practicing medicine in Ottawa, Canada. Ms. Wilson is rated as an Experienced expert by MediFind in the treatment of Down Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Medium-Chain Acyl-CoA Dehydrogenase Deficiency, Down Syndrome, Gonorrhea, Chlamydia, and Salpingo-Oophorectomy.

    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 109

    Last Updated: 04/28/2026

    What is the definition of Down Syndrome?

    Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) in infancy. All affected individuals experience cognitive delays, but the intellectual disability is usually mild to moderate.

    When should I see a Down Syndrome doctor in Ontario, CA?

    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 Down Syndrome doctor in Ontario, CA?

    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 Down Syndrome doctor in Ontario, CA?

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

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    How does MediFind rank Down Syndrome doctors in Ontario, CA?

    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 Down Syndrome doctors in Ontario, CA?

    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 Down Syndrome doctor in Ontario, CA?

    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 Down Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Down Syndrome 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 Down Syndrome doctor in Ontario, CA?

    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 Down Syndrome 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 Down Syndrome 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 Down Syndrome doctors in Ontario, CA?

    Look for the filter feature on the left side of the Down Syndrome 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 Down Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Down Syndrome 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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