The 20 Best Ulcerative Colitis Doctors Near Me in Ontario, CA

Find the Top Ulcerative Colitis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 166 doctor with experience in Ulcerative Colitis near Ontario, CA. Of these, 130 are Experienced, 25 are Advanced, 7 are Distinguished and 4 are Elite.

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166 providers found
    Elite in Ulcerative Colitis

    John K. Marshall
    Elite in Ulcerative Colitis

    John K. Marshall
    Hamilton, ON, CA 

    John Marshall practices practicing medicine in Hamilton, Canada. Mr. Marshall is rated as an Elite expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Hemorrhagic Proctocolitis, Crohn's Disease, Colonoscopy, and Endoscopy.

    Elite in Ulcerative Colitis

    Anne M. Griffiths
    Elite in Ulcerative Colitis

    Anne M. Griffiths
    555 University Ave, M5G 1X8, 
    Toronto, ON, CA 

    Anne Griffiths practices practicing medicine in Toronto, Canada. Ms. Griffiths is rated as an Elite expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Colitis, Endoscopy, and Colonoscopy.

    Elite in Ulcerative Colitis

    Thomas D. Walters
    Elite in Ulcerative Colitis

    Thomas D. Walters
    555 University Ave, M5G 1X8, 
    Toronto, ON, CA 

    Thomas Walters practices practicing medicine in Toronto, Canada. Mr. Walters is rated as an Elite expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy.

    Learn about our expert tiers
    Elite in Ulcerative Colitis

    Eric I. Benchimol
    Elite in Ulcerative Colitis

    Eric I. Benchimol
    451 Smyth Road, K1H 8 M5, 
    Ottawa, ON, CA 

    Eric Benchimol practices practicing medicine in Ottawa, Canada. Mr. Benchimol is rated as an Elite expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Colitis, Crohn's Disease, Small Bowel Resection, and Colonoscopy.

    Distinguished in Ulcerative Colitis

    Mahmoud H. Mosli
    Distinguished in Ulcerative Colitis

    Mahmoud H. Mosli
    P.O. Box 5015, 100 Perth Drive, N6A 5K8, 
    London, ON, CA 

    Mahmoud Mosli practices practicing medicine in London, Canada. Mr. Mosli is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Hemorrhagic Proctocolitis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

    Distinguished in Ulcerative Colitis

    Eytan Wine
    Distinguished in Ulcerative Colitis

    Eytan Wine
    Toronto, ON, CA 

    Eytan Wine practices practicing medicine in Toronto, Canada. Mr. Wine is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Appendectomy, and Endoscopy.

    Distinguished in Ulcerative Colitis

    Paul M. Moayyedi
    Distinguished in Ulcerative Colitis

    Paul M. Moayyedi
    Hamilton, ON, CA 

    Paul Moayyedi practices practicing medicine in Hamilton, Canada. Mr. Moayyedi is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Indigestion, Irritable Bowel Syndrome (IBS), Viral Gastroenteritis, Endoscopy, and Colonoscopy.

    Distinguished in Ulcerative Colitis

    Mary E. Kuenzig
    Distinguished in Ulcerative Colitis

    Mary E. Kuenzig
    London, ON, CA 

    Mary Kuenzig practices practicing medicine in London, Canada. Ms. Kuenzig is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Ulcerative Colitis, and Endoscopy.

    Distinguished in Ulcerative Colitis

    Joanne M. Stempak
    Distinguished in Ulcerative Colitis

    Joanne M. Stempak
    60 Murray St, 
    Toronto, ON, CA 

    Joanne Stempak practices practicing medicine in Toronto, Canada. Ms. Stempak is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Ileostomy, and Endoscopy.

    Distinguished in Ulcerative Colitis

    Rocio Sedano
    Distinguished in Ulcerative Colitis

    Rocio Sedano
    London, ON, CA 

    Rocio Sedano practices practicing medicine in London, Canada. Ms. Sedano is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Hemorrhagic Proctocolitis, Ulcerative Colitis, Endoscopy, and Colonoscopy.

    Distinguished in Ulcerative Colitis

    Parul N. Tandon
    Distinguished in Ulcerative Colitis

    Parul N. Tandon
    190 Elizabeth St, 
    Toronto, ON, CA 

    Parul Tandon practices practicing medicine in Toronto, Canada. Ms. Tandon is rated as a Distinguished expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Colitis, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.

    Advanced in Ulcerative Colitis

    Michael G. Surette
    Advanced in Ulcerative Colitis

    Michael G. Surette
    Hamilton, ON, CA 

    Michael Surette practices practicing medicine in Hamilton, Canada. Mr. Surette is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Cystic Fibrosis, Pseudomonas Stutzeri Infections, Colitis, Generalized Anxiety Disorder (GAD), and Colonoscopy.

    Advanced in Ulcerative Colitis

    Amanda Ricciuto
    Advanced in Ulcerative Colitis

    Amanda Ricciuto
    Toronto, ON, CA 

    Amanda Ricciuto practices practicing medicine in Toronto, Canada. Ms. Ricciuto is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Sclerosing Cholangitis, Cholangitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy.

    Advanced in Ulcerative Colitis

    Peter C. Church
    Advanced in Ulcerative Colitis

    Peter C. Church
    Toronto, ON, CA 

    Peter Church practices practicing medicine in Toronto, Canada. Mr. Church is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy.

    Advanced in Ulcerative Colitis

    Kenneth Croitoru
    Advanced in Ulcerative Colitis

    Kenneth Croitoru
    Mount Sinai Hospital, 
    Toronto, ON, CA 

    Kenneth Croitoru practices practicing medicine in Toronto, Canada. Mr. Croitoru is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Colitis, Endoscopy, and Colonoscopy.

    Advanced in Ulcerative Colitis

    Raquel Milgrom
    Advanced in Ulcerative Colitis

    Raquel Milgrom
    60 Murray St, 
    Toronto, ON, CA 

    Raquel Milgrom practices practicing medicine in Toronto, Canada. Ms. Milgrom is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Colitis, Colonoscopy, and Endoscopy.

    Advanced in Ulcerative Colitis

    Robert H. Riddell
    Advanced in Ulcerative Colitis

    Robert H. Riddell

    Mount Sinai Hospital

    Toronto, ON, CA 

    Robert Riddell practices practicing medicine in Toronto, Canada. Mr. Riddell is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hemorrhagic Proctocolitis, Ulcerative Colitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy.

    Advanced in Ulcerative Colitis

    Aleixo M. Muise
    Advanced in Ulcerative Colitis

    Aleixo M. Muise
    Toronto, ON, CA 

    Aleixo Muise practices practicing medicine in Toronto, Canada. Muise is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Viral Gastroenteritis, Colitis, Crohn's Disease, Ileostomy, and Bone Marrow Transplant.

    Advanced in Ulcerative Colitis

    Nilesh Chande
    Advanced in Ulcerative Colitis

    Nilesh Chande
    London, ON, CA 

    Nilesh Chande practices practicing medicine in London, Canada. Mr. Chande is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Collagenous Colitis, Colonoscopy, and Endoscopy.

    Advanced in Ulcerative Colitis

    Kate Y. Lee
    Advanced in Ulcerative Colitis

    Kate Y. Lee
    Toronto, ON, CA 

    Kate Lee practices practicing medicine in Toronto, Canada. Ms. Lee is rated as an Advanced expert by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Colitis, Hemorrhagic Proctocolitis, Ulcerative Colitis, and Crohn's Disease.

    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 166

    Last Updated: 04/28/2026

    What is the definition of Ulcerative Colitis?

    Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) characterized by the development of ulcers in the lining of the digestive tract, which most often affect the colon and rectum. While ulcerative colitis can occur at any age, it most frequently appears between the ages of 15 and 30, or after the age of 60. There are several types of ulcerative colitis that are categorized by the area of the digestive tract affected by the disease, such as ulcerative proctitis (inflammation of area closest to the rectum), proctosigmoiditis (inflammation of the sigmoid colon and rectum), left-sided colitis (inflammation of descending colon, sigmoid colon, and rectum), pancolitis (inflammation of the entire colon), and a rare form of ulcerative colitis known as acute severe ulcerative colitis (severe inflammation of entire colon). Ulcerative colitis can also affect other areas of the body, causing inflammation of the skin, eyes, liver, joints, and back.

    When should I see an Ulcerative Colitis 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 Ulcerative Colitis 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 Ulcerative Colitis doctor in Ontario, CA?

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

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    How does MediFind rank Ulcerative Colitis 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 Ulcerative Colitis 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 Ulcerative Colitis 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 Ulcerative Colitis doctor search results page. 

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

    Look for the filter feature on the left side of the Ulcerative Colitis 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 Ulcerative Colitis doctor that offers video calls?

    Look for the filter feature on the left-side of the Ulcerative Colitis 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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