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About Our Program
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About Our Program

The decision to have weight loss surgery is an important one. Equally important is choosing a bariatric surgery program. The most important component to ensuring a quality program is appropriately trained surgeons.

According to the American Society for Bariatric Surgery (ASBS) Center of Excellence criteria, the surgeons must be certified by the American Board of Surgery, spend at least 51 percent of their time in the field, and perform more than 50 bariatric surgical cases per year. Missouri Bariatric Service's surgical team not only meets these criteria, but is one of the top bariatric surgery teams in the nation.


Roger de la Torre, MD
Dr. de la Torre is internationally recognized as a leader in laparoscopic surgery. He has been invited to hospitals and universities throughout the United States, Europe, Asia and South America to lecture and perform various laparoscopic operations. He holds more than 40 patents worldwide for surgical devices. Dr. de la Torre has performed more than 3,000 bariatric procedures and has published articles in surgical journals and laparoscopic textbooks regarding the techniques he helped develop. Dr. de la Torre's clinical and research interests include bariatric surgery, biliary tract surgery, colon surgery, eating disorders, endoscopy, esophageal disorders, esophagus, gallbladder disease, gallstones, gastrointestinal disease, general surgery, hernia surgery, laparoscopy and laser surgery, metabolism/nutrition and surgery, minimally invasive surgery and nutrition.

Mark Perna

Mark Perna, MD
Dr. Perna completed medical school at the University of Colorado in Denver, CO. He then completed a general surgery residency at the Medical University of South Carolina in Charleston, SC. Post-residency, Dr. Perna completed a bariatric surgery fellowship at the University of Missouri, Columbia with Dr. Roger da la Torre. His interest in obesity and bariatric/metabolic surgery began early during his residency in Charleston, SC. Dr. Perna has published articles and reviews on diabetes, hyperlipidemia, and obstructive sleep apnea in bariatric surgery. His research interests focus on comorbidity research, particularly diabetes outcomes research after bariatric surgery.


Kevin Suttmoeller, DO
Dr. Suttmoeller earned his medical degree from Kirksville College of Osteopathic Medicine and completed his residency at Northeast Regional Medical Center in Kirskville, Mo. He is board certified by the American College of Osteopathic Internists. He is also a Diplomat of theAmerican Board of Bariatric Medicine.

In addition to our surgeons, our program consists of a complete team dedicated to your care. Our nurses and dietitians have received special training in bariatrics. You'll have the opportunity to meet team members at the educational seminar as well as the office. These trusted individuals are dedicated to supporting you every step of the way. To speak to a team member, please call (573) 882-LOSE (5673).

Natalie Suttmoeller, RN, BSN, CCRN
Bariatric Nurse Coordinator

Megan Crane, LPN
Clinic Nurse

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