About

Dr. Colleen Parker, a renowned gastroenterologist, excels in diagnosing and managing a broad spectrum of gastrointestinal disorders. Her medical interests include inflammatory bowel disease, hepatic disorders, and advanced endoscopic procedures. Dr. Parker is dedicated to providing personalized and compassionate care, focusing on enhancing digestive health and overall well-being. Known for her meticulous approach, comprehensive evaluations, and unwavering commitment to utilizing the latest advancements in gastroenterology, Dr. Parker ensures each patient receives the highest quality care. Whether you require management of chronic gastrointestinal conditions, liver disease treatment, or advanced endoscopic interventions, Dr. Parker is devoted to helping you achieve optimal digestive health. Share your experience and assist others in finding exceptional care by leaving a review for Dr. Parker.

Practice address

Affiliated Hospital

Toronto General Hospital

  • 200 Elizabeth Street, Toronto, ON M5G 2C4
  • 416 603 5949
  • 416 603 6204
  • colleen.parker@uhn.ca
  • https://www.uhn.ca/OurHospitals/TGH

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1 review about Dr Colleen Parker

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A Patient
21 May 2026
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Punctuality - No
Detail-oriented - Yes
Professionalism - No
Polite and caring - Yes
Discrimination - No
Quality medical care - No
Professional team - No
Recommend - No
I find the page useful - Yes

She spent a long time explaining that IBS isn’t a wastebasket “we don’t know” diagnosis even though everyone has a different presentation and responds to different medications so it’s probably a bunch of different problems we’re all lumping together – which, sorry, to a suffering patient that is literally the same thing. She offered no testing and dodged questions about how suggested medications worked or how they might help specific symptoms. She seemed very happy to hear herself talk from a position of authority over me as the patient. I wasted a lot of time waiting to see her and coming far into Toronto. Awful and useless. She even showed me the way out like she couldn’t wait to get rid of me, as if I couldn’t find my way back without help. Unbelievable ego and very good at spending a long time saying nothing helpful while thinking she has and clearly being proud of herself for it.

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416 603 5949

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