The 20 Best Giardia Infection Doctors Near Me in Ontario, CA

Find the Top Giardia Infection Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 34 doctor with experience in Giardia Infection near Ontario, CA. Of these, 32 are Experienced and 2 are Advanced.

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34 providers found
    Advanced in Giardia Infection

    Katarina M. Pintar
    Advanced in Giardia Infection

    Katarina M. Pintar
    160 Research Lane, 
    Guelph, ON, CA 

    Katarina Pintar practices practicing medicine in Guelph, Canada. Pintar is rated as an Advanced expert by MediFind in the treatment of Giardia Infection. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Campylobacter Infection, Giardia Infection, and Salmonella Enterocolitis.

    Advanced in Giardia Infection

    Andrew S. Peregrine
    Advanced in Giardia Infection

    Andrew S. Peregrine
    Guelph, ON, CA 

    Andrew Peregrine practices practicing medicine in Guelph, Canada. Mr. Peregrine is rated as an Advanced expert by MediFind in the treatment of Giardia Infection. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Helminthiasis, Echinococcosis, Secernentea Infections, and Alveolar Echinococcosis.

    Experienced in Giardia Infection

    David L. Pearl
    Experienced in Giardia Infection

    David L. Pearl
    Guelph, ON, CA 

    David Pearl practices practicing medicine in Guelph, Canada. Mr. Pearl is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Salmonella Enterocolitis, Campylobacter Infection, Ehrlichiosis, and Lyme Disease.

    Learn about our expert tiers
    Experienced in Giardia Infection

    Janet Yee
    Experienced in Giardia Infection

    Janet Yee
    1600 West Bank Drive, 
    Peterborough, ON, CA 

    Janet Yee practices practicing medicine in Peterborough, Canada. Ms. Yee is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Giardia Infection.

    Experienced in Giardia Infection

    Jan M. Sargeant
    Experienced in Giardia Infection

    Jan M. Sargeant
    Guelph, ON, CA 

    Jan Sargeant practices practicing medicine in Guelph, Canada. Sargeant is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Campylobacter Infection, Reactive Arthritis, Salmonella Enterocolitis, and Giardia Infection.

    Experienced in Giardia Infection

    Manon D. Fleury
    Experienced in Giardia Infection

    Manon D. Fleury
    Guelph, ON, CA 

    Manon Fleury practices practicing medicine in Guelph, Canada. Ms. Fleury is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Giardia Infection.

    Experienced in Giardia Infection

    Steven P. Rafferty
    Experienced in Giardia Infection

    Steven P. Rafferty
    1600 West Bank Drive, K9J 7B8, 
    Peterborough, ON, CA 

    Steven Rafferty practices practicing medicine in Peterborough, Canada. Mr. Rafferty is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. His clinical expertise encompasses Giardia Infection.

    Experienced in Giardia Infection

    Yvonne Whitfield
    Experienced in Giardia Infection

    Yvonne Whitfield
    Toronto, ON, CA 

    Yvonne Whitfield practices practicing medicine in Toronto, Canada. Ms. Whitfield is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Salmonella Enterocolitis, Giardia Infection, Listeriosis, and Campylobacter Infection.

    Experienced in Giardia Infection

    Karen O. Johnson
    Experienced in Giardia Infection

    Karen O. Johnson
    Toronto, ON, CA 

    Karen Johnson practices practicing medicine in Toronto, Canada. Ms. Johnson is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Shigellosis, Giardia Infection, Lyme Disease, and Anaphylaxis.

    Experienced in Giardia Infection

    Richard J. Smith-Reid
    Experienced in Giardia Infection

    Richard J. Smith-Reid
    Guelph, ON, CA 

    Richard Smith-Reid practices practicing medicine in Guelph, Canada. Mr. Smith-Reid is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Salmonella Enterocolitis, Campylobacter Infection, Urinary Tract Infection (UTI), and Giardia Infection.

    Experienced in Giardia Infection

    Dean G. Middleton
    Experienced in Giardia Infection

    Dean G. Middleton
    Toronto, ON, CA 

    Dean Middleton practices practicing medicine in Toronto, Canada. Mr. Middleton is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. His clinical expertise encompasses Rabies, Giardia Infection, Salmonella Enterocolitis, and Shigellosis.

    Experienced in Giardia Infection

    Jeff B. Wilson
    Experienced in Giardia Infection

    Jeff B. Wilson
    Moffat, ON, CA 

    Jeff Wilson practices practicing medicine in Moffat, Canada. Mr. Wilson is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. His clinical expertise encompasses Cervical Myelopathy, Giardia Infection, Campylobacter Infection, and Nontuberculous Mycobacterial Lung Disease.

    Experienced in Giardia Infection

    Danielle A. Julien
    Experienced in Giardia Infection

    Danielle A. Julien
    Ottawa, ON, CA 

    Danielle Julien practices practicing medicine in Ottawa, Canada. Ms. Julien is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Rabies, Ehrlichiosis, Giardia Infection, and Lyme Disease.

    Experienced in Giardia Infection

    Shannon K. French
    Experienced in Giardia Infection

    Shannon K. French
    50 Stone Rd E, 
    Guelph, ON, CA 

    Shannon French practices practicing medicine in Guelph, Canada. French is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Their clinical expertise encompasses Helminthiasis, Secernentea Infections, Giardia Infection, and Alveolar Echinococcosis.

    Experienced in Giardia Infection

    Erin K. Leonard
    Experienced in Giardia Infection

    Erin K. Leonard
    Ottawa, ON, CA 

    Erin Leonard practices practicing medicine in Ottawa, Canada. Ms. Leonard is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Salmonella Enterocolitis, Giardia Infection, and Campylobacter Infection.

    Experienced in Giardia Infection

    Rebecca A. Guy
    Experienced in Giardia Infection

    Rebecca A. Guy
    110 Stone Road West, 
    Guelph, ON, CA 

    Rebecca Guy practices practicing medicine in Guelph, Canada. Ms. Guy is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Giardia Infection and Campylobacter Infection.

    Experienced in Giardia Infection

    Robert H. Bandsma
    Experienced in Giardia Infection

    Robert H. Bandsma
    Toronto, ON, CA 

    Robert Bandsma practices practicing medicine in Toronto, Canada. Mr. Bandsma is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Malnutrition, Kwashiorkor, Diarrhea, Exocrine Pancreatic Insufficiency, and Liver Transplant.

    Experienced in Giardia Infection

    Nicola J. Mercer
    Experienced in Giardia Infection

    Nicola J. Mercer
    Guelph, ON, CA 

    Nicola Mercer practices practicing medicine in Guelph, Canada. Ms. Mercer is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. Her clinical expertise encompasses Hydatidosis, Echinococcosis, Alveolar Echinococcosis, and Helminthiasis.

    Experienced in Giardia Infection

    Brandon Tang
    Experienced in Giardia Infection

    Brandon Tang
    Toronto, ON, CA 

    Brandon Tang practices practicing medicine in Toronto, Canada. Mr. Tang is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. His clinical expertise encompasses Giardia Infection.

    Experienced in Giardia Infection

    Lianne E. Tile
    Experienced in Giardia Infection

    Lianne E. Tile
    Toronto, ON, CA 

    Lianne Tile practices practicing medicine in Toronto, Canada. Ms. Tile is rated as an Experienced expert by MediFind in the treatment of Giardia Infection. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Osteoporosis, Fibrodysplasia Ossificans Progressiva, Postmenopausal Osteoporosis, and Hypophosphatasia (HPP).

    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 34

    Last Updated: 04/28/2026

    What is the definition of Giardia Infection?

    Giardia, or giardiasis, is a parasitic infection of the small intestine. A tiny parasite called Giardia lamblia causes it.

    When should I see a Giardia Infection 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 Giardia Infection 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 Giardia Infection doctor in Ontario, CA?

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

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    How does MediFind rank Giardia Infection 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 Giardia Infection 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 Giardia Infection 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 Giardia Infection doctor search results page. 

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

    Look for the filter feature on the left side of the Giardia Infection 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 Giardia Infection doctor that offers video calls?

    Look for the filter feature on the left-side of the Giardia Infection 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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