The 20 Best Mouth Ulcers Doctors Near Me in Ontario, CA

Find the Top Mouth Ulcers Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 14 doctor with experience in Mouth Ulcers near Ontario, CA. Of these, 14 are Experienced.

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14 providers found
    Experienced in Mouth Ulcers

    Hagen E. Klieb
    Experienced in Mouth Ulcers

    Hagen E. Klieb
    Referral may be required
    Department Of Otolaryngology Head & Neck Surgery, 
    Toronto, ON, CA 

    Hagen Klieb practices practicing medicine in Toronto, Canada. Mr. Klieb is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. His clinical expertise encompasses Mouth Sores, Mouth Ulcers, Lichen Planus, and Blastomycosis.

    Experienced in Mouth Ulcers

    Nobuhiko Haruki
    Experienced in Mouth Ulcers

    Nobuhiko Haruki
    Referral may be required
    University Health Network And Mount Sinai Hospital Department Of Medicine, 
    Toronto, ON, CA 

    Nobuhiko Haruki practices practicing medicine in Toronto, Canada. Haruki is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Heart Failure, Central Sleep Apnea, Atrial Myxoma, and Mouth Sores.

    Experienced in Mouth Ulcers

    Yulia H. Lin
    Experienced in Mouth Ulcers

    Yulia H. Lin
    Referral may be required
    28 Division St, K7L 3N6, 
    Kingston, ON, CA 

    Yulia Lin practices practicing medicine in Kingston, Canada. Ms. Lin is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Hemolytic Transfusion Reaction, Iron Deficiency Anemia, Anemia, Hepatectomy, and Heart Bypass Surgery.

    Learn about our expert tiers
    Experienced in Mouth Ulcers

    Ronald M. Laxer
    Experienced in Mouth Ulcers

    Ronald M. Laxer
    Referral may be required
    Toronto, ON, CA 

    Ronald Laxer practices practicing medicine in Toronto, Canada. Mr. Laxer is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Localized Scleroderma, Chronic Recurrent Multifocal Osteomyelitis, Osteomyelitis in Children, Osteomyelitis, and Tissue Biopsy.

    Experienced in Mouth Ulcers

    Jo-anne Marcuz
    Experienced in Mouth Ulcers

    Jo-anne Marcuz
    Referral may be required
    Toronto, ON, CA 

    Jo-anne Marcuz practices practicing medicine in Toronto, Canada. Ms. Marcuz is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Juvenile Dermatomyositis, Dermatomyositis, Polymyositis, and Myositis.

    Experienced in Mouth Ulcers

    Saunya E. Dover
    Experienced in Mouth Ulcers

    Saunya E. Dover
    Referral may be required
    Ottawa, ON, CA 

    Saunya Dover practices practicing medicine in Ottawa, Canada. Ms. Dover is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Juvenile Dermatomyositis, Hemophilia A, Blood Clots, and Dermatomyositis.

    Experienced in Mouth Ulcers

    Ejaz I. Pathan
    Experienced in Mouth Ulcers

    Ejaz I. Pathan
    Referral may be required
    Toronto, ON, CA 

    Ejaz Pathan practices practicing medicine in Toronto, Canada. Mr. Pathan is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Axial Spondyloarthritis (AxSpA), Ankylosing Spondylitis, Fibromyalgia, and Arthritis.

    Experienced in Mouth Ulcers

    Anne I. Dipchand
    Experienced in Mouth Ulcers

    Anne I. Dipchand
    Referral may be required
    555 University Avenue, 
    Toronto, ON, CA 

    Anne Dipchand practices practicing medicine in Toronto, Canada. Ms. Dipchand is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Tricuspid Atresia, Pediatric Myocarditis, Cardiomyopathy, Heart Transplant, and Lung Transplant.

    Experienced in Mouth Ulcers

    Shirley M. Tse
    Experienced in Mouth Ulcers

    Shirley M. Tse
    Referral may be required
    Toronto, ON, CA 

    Shirley Tse practices practicing medicine in Toronto, Canada. Tse is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Juvenile Idiopathic Arthritis (JIA), Arthritis, Bursitis, and Chronic Recurrent Multifocal Osteomyelitis.

    Experienced in Mouth Ulcers

    Monisha G. Kabir
    Experienced in Mouth Ulcers

    Monisha G. Kabir
    Referral may be required
    Toronto, ON, CA 

    Monisha Kabir practices practicing medicine in Toronto, Canada. Ms. Kabir is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. Her clinical expertise encompasses Intraductal Papilloma, Delirium, Focal Segmental Glomerulosclerosis, Diabetic Nephropathy, and Intrauterine Device Insertion.

    Experienced in Mouth Ulcers

    Charmaine E. Lok
    Experienced in Mouth Ulcers

    Charmaine E. Lok
    Referral may be required
    190 Elizabeth St, 
    Toronto, ON, CA 

    Charmaine Lok practices practicing medicine in Toronto, Canada. Ms. Lok is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Chronic Kidney Disease, Arteriovenous Malformation, End-Stage Renal Disease (ESRD), Kidney Transplant, and Nephrectomy.

    Experienced in Mouth Ulcers

    David J. Psutka
    Experienced in Mouth Ulcers

    David J. Psutka
    Referral may be required
    124 Edward St. Room 315C, 
    Toronto, ON, CA 

    David Psutka practices practicing medicine in Toronto, Canada. Mr. Psutka is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. His clinical expertise encompasses Oral Cancer, Mouth Sores, Mouth Ulcers, and Lichen Planus.

    Experienced in Mouth Ulcers

    Angela S. Punnett
    Experienced in Mouth Ulcers

    Angela S. Punnett
    Referral may be required
    1200 Main St W, 
    Hamilton, ON, CA 

    Angela Punnett practices practicing medicine in Hamilton, Canada. Ms. Punnett is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hodgkin Lymphoma, Menetrier Disease, Acute Lymphoblastic Leukemia (ALL), Infantile Neutropenia, and Bone Marrow Transplant.

    Experienced in Mouth Ulcers

    Kristi Whitney
    Experienced in Mouth Ulcers

    Kristi Whitney
    Referral may be required
    Toronto, ON, CA 

    Kristi Whitney practices practicing medicine in Toronto, Canada. Ms. Whitney is rated as an Experienced expert by MediFind in the treatment of Mouth Ulcers. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Juvenile Dermatomyositis, Dermatomyositis, Polymyositis, and Myositis.

    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 1-14 of 14

    Last Updated: 06/30/2026

    What is the definition of Mouth Ulcers?

    Mouth ulcers are sores or open lesions in the mouth.

    When should I see an Mouth Ulcers 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 Mouth Ulcers 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 Mouth Ulcers doctor in Ontario, CA?

    You can find an Mouth Ulcers doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Mouth Ulcers 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 Mouth Ulcers 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 Mouth Ulcers 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 Mouth Ulcers doctor search results page. 

    Why is it important to get a second opinion from a different Mouth Ulcers 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 Mouth Ulcers 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 Mouth Ulcers 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 Mouth Ulcers 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 Mouth Ulcers doctors in Ontario, CA?

    Look for the filter feature on the left side of the Mouth Ulcers 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 Mouth Ulcers doctor that offers video calls?

    Look for the filter feature on the left-side of the Mouth Ulcers 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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