Mercy Clinic Weight and Wellness - O'Fallon Winding Woods is a weight and wellness clinic in O'Fallon, Missouri focused on obesity and weight management. The clinic provides individualized programs tailored to each patient's lifestyle and weight loss goals, using an integrated approach that includes behavioral counseling, dietary counseling, disease management, exercise counseling, pharmacotherapy, psychological counseling, and weight loss surgery. Its team evaluates patients through physical and medical exams, review of diet and exercise history, and discussion of personal goals.