Our Doctors

Roller Weight Loss & Advanced Surgery features the only group of fellowship-trained bariatric (weight loss) and advanced general laparoscopic surgeons in Arkansas. Joshua Roller, MD,  Yong Kwon, MD, and Josh Mourot, MD offer the most sophisticated modern weight loss surgery (bariatric surgery) techniques available, including roux-en-Y gastric bypass, lap gastric banding or LAP-BAND surgery, and sleeve gastrectomy, to help you take control of your weight and reclaim your health. Dr. Jeff Bell joined the practice in 2018 and offers patients advanced general laparoscopic and robotic procedures using the DaVinci robot. Dr. Kristin Roller also sees patients at Roller Weight Loss and offers incredible experience and support for our weight loss surgery patients. We serve patients from Northwest Arkansas, including Fort Smith and Van Buren, central Arkansas, eastern Oklahoma, southern Missouri and southeastern Kansas. Our doctors also perform other minimally invasive procedures, including many that can ease or resolve medical problems associated with obesity.