Our team is led by Dr. Sergey Terushkin, a Board Certified surgeon and a renowned leader in the field of minimally invasive bariatric procedures. At Gastric Sleeve Surgery NYC, we want to be your trusted partner on your journey to both short- and long-term wellness. We believe in the power of individual support and can help you feel confident about tackling your future head-on. Gastric Bypass Surgery. Patients who have undergone gastric bypass surgery at our New York facility have experienced tremendous results. The procedure entails creating a small stomach pouch and bypassing several feet of intestine. The procedure has been used for more than 40 years and typically results in weight loss of 50–75% and can resolve type 2 diabetes in nearly 80% of patients. If you are among millions of Americans who struggle with obesity and weight-related health issues, it may be time to consider bariatric surgery. For many, dieting and exercise are simply not enough to counteract the effects of lifelong weight gain; our professionals at Gastric Sleeve Surgery can help. Lead by Dr. Sergey Terushkin, an acclaimed leader in the field, Gastric Sleeve Surgery NYC offers a variety of minimally invasive procedures designed to help patients throughout the New York area take control of their weight and start leading healthier lives.