Reducing the pain of living with obesity
The Little Company of Mary Bariatric Surgery Center is dedicated to safely and effectively treating patients who are chronically 100 pounds or more over their ideal body weight. Our goal is to reduce the problems related to obesity. We offer a complete team of specialists from our bariatric surgeon to a support staff including nutritionists, exercise therapists, psychologists and more. All to provide new answers and options for overcoming obesity and give you the healthier, happier life you deserve.
Advanced, minimally invasive procedures
The Little Company of Mary Bariatric Surgery Center is focused on reducing the pain of surgery as much as possible. That's why we specialize in minimally invasive laparoscopic techniques including Roux-en-Y Gastric Bypass Surgery and the Lap-Band® Adjustable Gastric Band. With less pain, a lower rate of complications, a shorter hospital stay and a quicker return to normal activities, these procedures let you begin a new lifestyle sooner. And, they represent the latest advancements in bariatric surgery. Our staff sees every patient as an individual. Your treatment will be based on many factors and considered carefully. Overcoming obesity requires changing your lifestyle, and we're here to make sure we take every step with you and provide as much information as needed. Because advanced care should never come at the expense of comfort.
World-class expertise 
Our specialized team has vast experience in treating obesity. In fact, we've been rated an American Society of Bariatric Surgery Center of Excellence based on quality and overall excellence. Little Company of Mary Bariatric Surgery Center has also earned the recognition of Blue Cross and Blue Shield as a Blue Distinction Center for Bariatric Surgery. By earning this distinction Little Company of Mary has demonstrated their commitment to quality care resulting in better overall outcomes for their bariatric patients.*
Gerald A. Cahill, M.D., F.A.C.S.
Dr. Gerald Cahill is Medical Director of the highly successful Bariatric Center of Excellence at Little Company of Mary Hospital and Health Care Centers. He has performed more than 2,000 successful weight loss surgeries. Dr. Cahill has extensive experience and special interest in weight loss surgery and advanced laparoscopic surgery. He was the first to perform weight loss surgery in Chicago's Southwest area.
After receiving his medical degree at the University of Illinois, Chicago in 1982, he completed his residency in surgery at the University of Illinois Affiliated Hospitals (University of Illinois Hospital, Cook County Hospital, West Side V.A. Hospital). His areas of expertise include all forms of weight loss surgery: laparoscopic and open bypass; laparoscopic placement of the adjustable gastric band/lap band and the laparoscopic gastric sleeve procedure.
A practicing physician for more than 20 years, Dr. Cahill is board-certified in general and colon rectal surgery and is a fellow of the American College of Surgeons and the American Society of Bariatric Surgeons. He is a member of the Chicago Medical Society and the Illinois Medical Society. Dr. Cahill has been recognized by Castle Connolly as one of the top doctors in bariatric surgery (Chicago Metro 1st, 2nd, and 3rd Editions).
Note: Designation as Blue Distinction Centers means these facilities' overall experience and aggregate data met objective criteria established in collaboration with expert clinicians' and leading professional organizations' recommendations. Individual outcomes may vary. To find out which services are covered under your policy at any facilities, please call your local Blue Cross and/or Blue Shield Plan.