St. John Weight Management Institute is here for just one reason – to serve you, our patients and guests.

Find all the information here to help plan your approach to surgical weight loss.

BMI Calculator

Body Mass Index (BMI) is a tool used to determine whether a person’s health is at risk due to his or her weight. It is a ratio of your weight to your height. You can find your BMI using the calculator below. Learn More

Health Benefits

Studies show that bariatric surgery, including gastric bypass (Roux-en-Y), and sleeve gastrectomy surgery can significantly eliminate or reduce health problems associated with morbid obesity. There are several major benefits to weight loss surgery, including: One of the most obvious benefits of surgery is significant, sustainable, rapid weight loss. Learn More

Payment Information

The St. John Weight Management Institute is committed to helping you manage every aspect of your weight-loss journey, from recovery to insurance issues. While many health plans cover bariatric surgery, some still do not. Call the member services number on your insurance card, and ask if your plan covers bariatric surgery for medical necessity. Learn More

Support Groups

At St. John Weight loss Management Institute, we know camaraderie is one of the greatest success tools. That’s why our Weight Loss Management Institute offers a support group for those who struggle to lose weight at no cost There is no cost to attend. Learn More


What is a BMI?What bariatric procedures do you perform at St. John Medical Center?Do I need to attend the free educational seminar?Can I bring someone with me to the educational seminar?Do I qualify for surgery?Why must I undergo evaluations?What is the youngest age for which weight loss surgery is recommended?What is the highest age limit for weight loss surgery?What is sleep apnea (SA)?Can… Learn More