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    Last Updated: 01/09/2026

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    MediFind found 104 doctor with experience in Gastrointestinal Fistula near Ontario, CA. Of these, 97 are Experienced and 7 are Advanced.

    Location
    LocationClose
    104 providers found
      Julie H. Hallet
      Advanced in Gastrointestinal Fistula

      Julie H. Hallet
      Advanced in Gastrointestinal Fistula

      Julie H. Hallet
      2075 Bayview Avenue, M4N 3M5, 
      Toronto, ON, CA 

      Julie Hallet practices in Toronto, Canada. Ms. Hallet is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Neuroendocrine Tumor, Pancreatic Islet Cell Tumor, Pancreatic Cancer, Hepatectomy, and Hepato-Pancreato-Biliary Surgery.

      Advanced in Gastrointestinal Fistula

      Jad A. Khalil
      Advanced in Gastrointestinal Fistula

      Jad A. Khalil
      Ottawa, ON, CA 

      Jad Khalil practices in Ottawa, Canada. Mr. Khalil is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Gastrointestinal Fistula, Viral Gastroenteritis, Pancreaticoduodenectomy, and Hepatectomy.

      Advanced in Gastrointestinal Fistula

      Deepak Dath
      Advanced in Gastrointestinal Fistula

      Deepak Dath
      ON, CA 

      Deepak Dath practices in Canada. Mr. Dath is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Gastrointestinal Fistula and Pancreaticoduodenectomy.

      Learn about our expert tiers
      Advanced in Gastrointestinal Fistula

      Leyo Ruo
      Advanced in Gastrointestinal Fistula

      Leyo Ruo
      711 Concession St, 
      Hamilton, ON, CA 

      Leyo Ruo practices in Hamilton, Canada. Ruo is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. Their top areas of expertise are Gastrointestinal Fistula, Liver Cancer, Colorectal Cancer, Pancreaticoduodenectomy, and Pancreatectomy.

      Advanced in Gastrointestinal Fistula

      Guillaume Martel
      Advanced in Gastrointestinal Fistula

      Guillaume Martel
      451 Smyth Rd, K1H 8 M5, 
      Ottawa, ON, CA 

      Guillaume Martel practices in Ottawa, Canada. Mr. Martel is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Cholangiocarcinoma (Bile Duct Cancer), Liver Cancer, Gastrointestinal Fistula, Hepatectomy, and Hepato-Pancreato-Biliary Surgery.

      Advanced in Gastrointestinal Fistula

      Priscilla P. Chiu
      Advanced in Gastrointestinal Fistula

      Priscilla P. Chiu
      Toronto, ON, CA 

      Priscilla Chiu practices in Toronto, Canada. Ms. Chiu is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Congenital Lobar Emphysema, Omphalocele, Umbilical Hernia, Ileostomy, and Endoscopy.

      Advanced in Gastrointestinal Fistula

      Fady K. Balaa
      Advanced in Gastrointestinal Fistula

      Fady K. Balaa
      Ottawa, ON, CA 

      Fady Balaa practices in Ottawa, Canada. Mr. Balaa is rated as an Advanced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Gastrointestinal Fistula, Liver Cancer, Gallbladder Cancer, Pancreaticoduodenectomy, and Hepato-Pancreato-Biliary Surgery.

      David H. Birnie
      Experienced in Gastrointestinal Fistula

      David H. Birnie
      Experienced in Gastrointestinal Fistula

      David H. Birnie
      40 Ruskin Street, 
      Ottawa, ON, CA 

      David Birnie practices in Ottawa, Canada. Mr. Birnie is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Sarcoidosis, Cardiomyopathy, Atrial Fibrillation, Heart Block, and Cardiac Ablation.

      Experienced in Gastrointestinal Fistula

      Pablo E. Serrano
      Experienced in Gastrointestinal Fistula

      Pablo E. Serrano
      Hamilton, ON, CA 

      Pablo Serrano practices in Hamilton, Canada. Mr. Serrano is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Liver Cancer, Colorectal Cancer, Venous Thromboembolism (VTE), Pancreaticoduodenectomy, and Hepatectomy.

      Experienced in Gastrointestinal Fistula

      Thomas D. Walters
      Experienced in Gastrointestinal Fistula

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

      Thomas Walters practices in Toronto, Canada. Mr. Walters is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Ulcerative Colitis, Colonoscopy, and Endoscopy.

      Experienced in Gastrointestinal Fistula

      Katlin I. Mallette
      Experienced in Gastrointestinal Fistula

      Katlin I. Mallette
      Ottawa, ON, CA 

      Katlin Mallette practices in Ottawa, Canada. Ms. Mallette is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Gastrointestinal Fistula, Bile Duct Obstruction, Chronic Pancreatitis, Pancreaticoduodenectomy, and Endoscopy.

      Experienced in Gastrointestinal Fistula

      Laura A. Baker
      Experienced in Gastrointestinal Fistula

      Laura A. Baker
      Ottawa, ON, CA 

      Laura Baker practices in Ottawa, Canada. Ms. Baker is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Gastrointestinal Fistula, Omphalocele, Umbilical Hernia, Hepato-Pancreato-Biliary Surgery, and Pancreaticoduodenectomy.

      Experienced in Gastrointestinal Fistula

      Mary-louise C. Greer
      Experienced in Gastrointestinal Fistula

      Mary-louise C. Greer
      555 University Ave, M5G 1X8, 
      Toronto, ON, CA 

      Mary-louise Greer practices in Toronto, Canada. Ms. Greer is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Li-Fraumeni Syndrome, Crohn's Disease, DICER1 Syndrome, Small Bowel Resection, and Endoscopy.

      Experienced in Gastrointestinal Fistula

      Thomas A. Kovesi
      Experienced in Gastrointestinal Fistula

      Thomas A. Kovesi
      Ottawa, ON, CA 

      Thomas Kovesi practices in Ottawa, Canada. Mr. Kovesi is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Congenital Tracheomalacia, Tracheoesophageal Fistula, Tracheobronchomalacia, and Esophageal Atresia.

      Experienced in Gastrointestinal Fistula

      Madeline Lemke
      Experienced in Gastrointestinal Fistula

      Madeline Lemke
      London, ON, CA 

      Madeline Lemke practices in London, Canada. Ms. Lemke is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Gastrointestinal Fistula, Appendicitis, Hemolytic Transfusion Reaction, Pancreaticoduodenectomy, and Hepatectomy.

      Experienced in Gastrointestinal Fistula

      Simon Parlow
      Experienced in Gastrointestinal Fistula

      Simon Parlow
      Ottawa, ON, CA 

      Simon Parlow practices in Ottawa, Canada. Mr. Parlow is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Cardiogenic Shock, Heart Attack, Necrosis, Heart Bypass Surgery, and Percutaneous Coronary Intervention (PCI).

      Experienced in Gastrointestinal Fistula

      Eveline Krol-Lapidus
      Experienced in Gastrointestinal Fistula

      Eveline Krol-Lapidus
      Toronto, ON, CA 

      Eveline Krol-Lapidus practices in Toronto, Canada. Ms. Krol-Lapidus is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Congenital Lobar Emphysema, Tracheoesophageal Fistula, Infantile Pyloric Stenosis, Appendectomy, and Splenectomy.

      Experienced in Gastrointestinal Fistula

      Blair J. Macdonald
      Experienced in Gastrointestinal Fistula

      Blair J. Macdonald
      Ottawa, ON, CA 

      Blair Macdonald practices in Ottawa, Canada. Macdonald is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Their top areas of expertise are Gastrointestinal Fistula, Crohn's Disease, Heart Failure, and Viral Gastroenteritis.

      Experienced in Gastrointestinal Fistula

      Lara J. Williams
      Experienced in Gastrointestinal Fistula

      Lara J. Williams
      Ottawa, ON, CA 

      Lara Williams practices in Ottawa, Canada. Ms. Williams is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. Her top areas of expertise are Gastrointestinal Fistula and Colorectal Cancer.

      Experienced in Gastrointestinal Fistula

      Peter C. Church
      Experienced in Gastrointestinal Fistula

      Peter C. Church
      Toronto, ON, CA 

      Peter Church practices in Toronto, Canada. Mr. Church is rated as an Experienced expert by MediFind in the treatment of Gastrointestinal Fistula. His top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy.

      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 104

      Last Updated: 01/09/2026

      What is the definition of Gastrointestinal Fistula?

      A gastrointestinal fistula is an abnormal opening in the stomach or intestines that allows the contents to leak to another part of the body.

      • Leaks that go through to a part of the intestines are called entero-enteral fistulas.
      • Leaks that go through to the skin are called enterocutaneous fistulas.
      • Other organs can be involved, such as the bladder, vagina, anus, and colon.

      When should I see a Gastrointestinal Fistula 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 Gastrointestinal Fistula 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 Gastrointestinal Fistula doctor in Ontario, CA?

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

      Gastrointestinal Fistula doctor near New York, NY
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      Gastrointestinal Fistula doctor near Houston, TX
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      Gastrointestinal Fistula doctor near Philadelphia, PA
      Gastrointestinal Fistula doctor near Atlanta, GA
      Gastrointestinal Fistula doctor near Boston, MA
      Gastrointestinal Fistula doctor near Dallas, TX
      Gastrointestinal Fistula doctor near San Jose, CA

      How does MediFind rank Gastrointestinal Fistula 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 Gastrointestinal Fistula 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 Gastrointestinal Fistula 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 Gastrointestinal Fistula doctor search results page. 

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

      Look for the filter feature on the left side of the Gastrointestinal Fistula 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 Gastrointestinal Fistula doctor that offers video calls?

      Look for the filter feature on the left-side of the Gastrointestinal Fistula 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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