John Hagen

Bariatric Surgeon
Rating: 4.75 out of 5 with 39 ratings

John Hagen Bariatric Surgeon M.D., F.A.C.S.

  • About Me
    Medical Director of Bariatric Surgery, Humber River Regional Hospital Lecturer, Division of Surgery, University of Toronto Dr. John Hagen is the past Chief of General Surgery at Humber River Regional Hospital and current Medical Director of Bariatrics. He is a pioneer in advanced minimally invasive surgical techniques (MIS). Dr. Hagen has extensive experience in advanced laparoscopic procedures and is a faculty member of the University of Toronto's MIS fellowship training program. Dr. Hagen is also one of the lead surgeons for the Cancer Care Ontario mentoring program which is designed to train surgeons around the province in the most current minimally invasive techniques for the treatment of colon cancer. 
  • Latest Reviews See all 39 reviews
    avatar cattipat on Jan. 25, 2020

    Dr Hagen recently performed a laparoscopic lap band removal for me. I found him to be very professional but at the same time warm and friendly. He was willing to answer my questions, and he referred me to the Ontario Bariatric Network with no fuss More...

    avatar HKT53 on Oct. 7, 2015

    I am truly thankful for being in the care of Dr. John Hagen. I needed a revision and with his knowledge and genuine understanding of my health condition, concluded the revision should be RNY. Currently three months out and healthier and happier than I have More...

    avatar 1HealthyMomma on Feb. 19, 2015

    I couldn't have been more happy with the care I received from Dr. Hagen. He did my RNY gastric bypass on Oct. 7, 2014. He was caring and compassionate with myself and my mother. He is very knowledgeable and was willing to answer all More...

  • Location
    Downsview, ON M3N 1N1
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