• Hobart, IN 46342
  • +1 219 947 1910
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    Thomas W. Shin

    MD, FACS

    After graduating from University of Michigan Medical School, Dr. Shin completed his general surgery residency at the University of Cincinnati Medical Center where he received the Best Teaching Resident Award. Following residency, Dr. Shin joined the St. Elizabeth Physicians Group in Northern Kentucky where he served as a successful general surgeon for 4 years. He then pursued and completed a Bariatric/Advanced Minimally Invasive Surgery fellowship at Geisinger Medical Center in Pennsylvania and subsequently joined Indiana Surgical Associates. He is a fellow of the American College of Surgeons and is a member of the Society of Gastrointestinal and Endoscopic Surgeons and American Society of Metabolic and Bariatric Surgery. Dr. Shin practices all aspects of general surgery with special interests in minimally invasive weight loss surgery, anti-reflux surgery and other advanced gastrointestinal surgery.


    Franciscan Health Bariatric Services Michigan City
    8865 West 400 North, Suite 125, Michigan City, IN 463600
    Phone: (219) 214-4401
    Fax: (219) 879-9560

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    Sandra M. Wischmeyer

    DO

    Dr. Wischmeyer graduated from Midwestern University Chicago College of Osteopathic Medicine in 2012. She completed her residency in general surgery at Franciscan St. James Health in 2017. After residency, she went on to Ascension St. Agnes Healthcare in Baltimore, Maryland where she completed a fellowship in bariatric surgery. Dr. Wischmeyer joined Indiana Surgical Associates in 2018. She is a member of American College of Osteopathic Surgeons, American Osteopathic Association and American Society of Metabolic and Bariatric Surgery. She practices all aspects of general surgery with special interests in advanced laparoscopic and minimally invasive weight loss surgery.


    Franciscan Health Bariatric Services Michigan City
    8865 West 400 North, Suite 125, Michigan City, IN 463600
    Phone: (219) 214-4401
    Fax: (219) 879-9560

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    James Siatras

    DO, FACS

    Dr. Siatras graduated from Midwestern University, Chicago College of Osteopathic Medicine in 2006. He completed his residency in general surgery at Midwestern University, St. James Hospitals in 2011, where he served as Chief Resident from 2010-2011. He then went to Indiana University where he completed a fellowship in advanced laparoscopic and bariatric surgery. He joined Indiana Surgical Associates in 2012, and also serves as the director of bariatric and metabolic surgery at Methodist Hospitals, Northwest Indiana Center for Bariatric Surgery. Dr Siatras is a member of American College of Osteopathic Surgeons as well as American College of Surgeons. He also maintains memberships in Society of Gastrointestinal and Endoscopic Surgeons and American Society of Metabolic and Bariatric Surgery. He has presented at multiple national meetings and has authored several abstracts. Dr. Siatras practices all aspects of general surgery and specializes in advanced laparoscopic surgery, gastrointestinal surgery, as well as bariatric and anti-reflux surgery.


    Methodist Hospitals Center for Bariatric Surgery
    101 E. 87th Ave., Suite 430, Merrillville, IN 46410
    Phone: (219) 738-5617
    Fax: (219) 736-4025

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