The 20 Best Attention Deficit Hyperactivity Disorder (ADHD) Doctors Near Me in Ontario, CA

Find the Top Attention Deficit Hyperactivity Disorder (ADHD) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 270 doctor with experience in Attention Deficit Hyperactivity Disorder (ADHD) near Ontario, CA. Of these, 227 are Experienced, 34 are Advanced, 8 are Distinguished and 1 are Elite.

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270 providers found
    Elite in Attention Deficit Hyperactivity Disorder (ADHD)

    Russell J. Schachar
    Elite in Attention Deficit Hyperactivity Disorder (ADHD)

    Russell J. Schachar
    555 University Ave, 
    Toronto, ON, CA 

    Russell Schachar practices practicing medicine in Toronto, Canada. Mr. Schachar is rated as an Elite expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Obsessive-Compulsive Disorder (OCD), Autism Spectrum Disorder, and Oppositional Defiant Disorder (ODD).

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Jennifer Crosbie
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Jennifer Crosbie
    555 University Ave, 
    Toronto, ON, CA 

    Jennifer Crosbie practices practicing medicine in Toronto, Canada. Ms. Crosbie is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Autism Spectrum Disorder, Obsessive-Compulsive Disorder (OCD), and COVID-19.

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Peter Szatmari
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Peter Szatmari
    80 Workman Way, 
    Toronto, ON, CA 

    Peter Szatmari practices practicing medicine in Toronto, Canada. Mr. Szatmari is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder (ADHD), Obsessive-Compulsive Disorder (OCD), and Asperger's Syndrome.

    Learn about our expert tiers
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Rob Nicolson
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Rob Nicolson
    London, ON, CA 

    Rob Nicolson practices practicing medicine in London, Canada. Mr. Nicolson is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder (ADHD), Obsessive-Compulsive Disorder (OCD), and COVID-19.

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Allyson G. Harrison
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Allyson G. Harrison
    Kingston, ON, CA 

    Allyson Harrison practices practicing medicine in Kingston, Canada. Ms. Harrison is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD) and Developmental Reading Disorder.

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Rosemary Tannock
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Rosemary Tannock
    Toronto, ON, CA 

    Rosemary Tannock practices practicing medicine in Toronto, Canada. Ms. Tannock is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Memory Loss, and Transient Tic Disorder.

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Martin A. Katzman
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Martin A. Katzman
    32 Park Road, M4W 2 N4, 
    Toronto, ON, CA 

    Martin Katzman practices practicing medicine in Toronto, Canada. Mr. Katzman is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Major Depression, Generalized Anxiety Disorder (GAD), and Post-Traumatic Stress Disorder (PTSD).

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Tomas Paus
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Tomas Paus
    3560 Bathurst Street, 
    Toronto, ON, CA 

    Tomas Paus practices practicing medicine in Toronto, Canada. Mr. Paus is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Phosphomannoisomerase Deficiency, Obesity, and Schizophrenia.

    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Judy M. Van Stralen
    Distinguished in Attention Deficit Hyperactivity Disorder (ADHD)

    Judy M. Van Stralen
    Ottawa, ON, CA 

    Judy Van Stralen practices practicing medicine in Ottawa, Canada. Ms. Van Stralen is rated as a Distinguished expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD) and Fainting.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Michael A. Van Ameringen
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Michael A. Van Ameringen
    Hamilton, ON, CA 

    Michael Van Ameringen practices practicing medicine in Hamilton, Canada. Mr. Van Ameringen is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Obsessive-Compulsive Disorder (OCD), Attention Deficit Hyperactivity Disorder (ADHD), Generalized Anxiety Disorder (GAD), and COVID-19.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Stelios Georgiades
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Stelios Georgiades
    Hamilton, ON, CA 

    Stelios Georgiades practices practicing medicine in Hamilton, Canada. Mr. Georgiades is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder (ADHD), Obsessive-Compulsive Disorder (OCD), and Developmental Expressive Language Disorder.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Christie L. Burton
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Christie L. Burton
    Toronto, ON, CA 

    Christie Burton practices practicing medicine in Toronto, Canada. Burton is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). They are also highly rated in 3 other conditions, according to our data. Their clinical expertise encompasses Obsessive-Compulsive Disorder (OCD), Attention Deficit Hyperactivity Disorder (ADHD), Anorexia, and Autism Spectrum Disorder.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Margot J. Taylor
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Margot J. Taylor
    555 University Ave, 
    Toronto, ON, CA 

    Margot Taylor practices practicing medicine in Toronto, Canada. Ms. Taylor is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder (ADHD), Premature Infant, Obsessive-Compulsive Disorder (OCD), and Deep Brain Stimulation.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Arunima Roy
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Arunima Roy
    Ottawa, ON, CA 

    Arunima Roy practices practicing medicine in Ottawa, Canada. Ms. Roy is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD), Restless Legs Syndrome, Antisocial Personality Disorder, and Iron Deficiency Anemia.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Mehdi Zarrei
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Mehdi Zarrei
    Rm. 139715, 686 Bay St, M5G 0A4, 
    Toronto, ON, CA 

    Mehdi Zarrei practices practicing medicine in Toronto, Canada. Mr. Zarrei is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Autism Spectrum Disorder, Obsessive-Compulsive Disorder (OCD), Attention Deficit Hyperactivity Disorder (ADHD), and Cerebral Palsy.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Sebastien Normand
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Sebastien Normand
    Ottawa, ON, CA 

    Sebastien Normand practices practicing medicine in Ottawa, Canada. Mr. Normand is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD).

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Stephanie H. Ameis
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Stephanie H. Ameis
    250 College St, 
    Toronto, ON, CA 

    Stephanie Ameis practices practicing medicine in Toronto, Canada. Ms. Ameis is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Autism Spectrum Disorder, Obsessive-Compulsive Disorder (OCD), Attention Deficit Hyperactivity Disorder (ADHD), and Schizophrenia.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Douglas P. Munoz
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Douglas P. Munoz
    Kingston, ON, CA 

    Douglas Munoz practices practicing medicine in Kingston, Canada. Mr. Munoz is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Movement Disorders, Parkinson's Disease, Dementia, Alzheimer's Disease, and Deep Brain Stimulation.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Daniele Merico
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Daniele Merico
    Toronto, ON, CA 

    Daniele Merico practices practicing medicine in Toronto, Canada. Ms. Merico is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Autism Spectrum Disorder, Obsessive-Compulsive Disorder (OCD), Attention Deficit Hyperactivity Disorder (ADHD), and Schizophrenia.

    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Maggie E. Toplak
    Advanced in Attention Deficit Hyperactivity Disorder (ADHD)

    Maggie E. Toplak
    Toronto, ON, CA 

    Maggie Toplak practices practicing medicine in Toronto, Canada. Ms. Toplak is rated as an Advanced expert by MediFind in the treatment of Attention Deficit Hyperactivity Disorder (ADHD). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Attention Deficit Hyperactivity Disorder (ADHD) and Antisocial Personality Disorder.

    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 270

    Last Updated: 04/28/2026

    What is the definition of Attention Deficit Hyperactivity Disorder (ADHD)?

    Attention deficit hyperactivity disorder (ADHD) is a problem caused by the presence of one or more of these findings:

    • Not being able to focus
    • Being overactive
    • Not being able to control behavior

    When should I see an Attention Deficit Hyperactivity Disorder (ADHD) 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 an Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) doctor in Ontario, CA?

    You can find an Attention Deficit Hyperactivity Disorder (ADHD) doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) 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 an Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) doctor search results page. 

    Why is it important to get a second opinion from a different Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) doctors in Ontario, CA?

    Look for the filter feature on the left side of the Attention Deficit Hyperactivity Disorder (ADHD) 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 Attention Deficit Hyperactivity Disorder (ADHD) doctor that offers video calls?

    Look for the filter feature on the left-side of the Attention Deficit Hyperactivity Disorder (ADHD) 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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