You Are Amazing. We're Here to Help Keep You That Way.

The Grinnell Bariatric Center of Excellence is staffed by qualified professionals who truly care about your journey. They're devoted to helping you reach your goals. Are you ready to take your first step?

Grinnell Bariatric Center of Excellence Staff:

David D. Coster, MD, Bariatric Surgeon - Grinnell Bariatrics

David D. Coster Dr. Coster leads the bariatric program with more than 20 years of experience caring for bariatric patients. He performs open and laparoscopic gastric bypass, laparoscopic sleeve gastrectomy, and complex revision procedures. Dr. Coster is experienced in all areas of general surgery and has a special interest in skin reconstruction after weight-loss from surgery for obesity. Dr. Coster has two board certifications: General Surgery and Critical Care.

Mathew W. Severidt, DO, Medical Director of Grinnell Bariatrics and Bariatric Surgeon - Grinnell Bariatrics

Mathew W. Severidt Dr. Severidt joined Grinnell Bariatrics and Surgical Associates in July 2012. Dr. Severidt provides expert care in general surgery, minimally invasive surgery, and bariatric procedures including laparoscopic sleeve gastrectomy, laparoscopic gastric bypass, and revision procedures. Dr. Severidt has a special interest in Critical Care Medicine and Surgery. Dr. Severidt is board certified in General Surgery.

Jarrod Phelps, PA-C - Grinnell Bariatrics

Jarrod Phelps Jarrod Phelps is a board-certified physician assistant with experience in bariatric and general surgery procedures. He assists the surgeons in the operating room during bariatric surgeries. He also provides follow up with patients in the hospital and office.

Jennifer Paisley, MD Internal Medicine and Pediatrics Medical Director for Bariatrics - Affiliated Staff

Jennifer Paisley Dr. Paisley serves as the internal medicine specialist and pediatric medical advisrr for the Bariatric Center of Excellence. She is board certified in Obesity Medicine and specializes in the comprehensive medical care for adults and children with obesity. She provides comprehensive medical care for pediatric patients of the program as well as diagnostic and treatment care to bariatric patients admitted to the program.

Michelle Brennan, RDN, LD, Dietitian - Affiliated Staff

Michelle BrennanMichelle Brennan specializes in weight loss, bariatric surgery and heart health. She has a special interest in incorporating nutrition into overall wellness and health promotion.

Stefanie Paxton, BSN, RN

Stefanie Paxton Stefanie Paxton is the Grinnell Regional Medical Center Bariatric Center of Excellence Program Coordinator and Certified Reviewer. She oversees the national accreditation program and ensures GRMC is compliant with requirements. Ms. Paxton oversees the day-to-day events related to Bariatrics, and enters data into the national database. She graduated from Indian Hills Community College with an associate's degree in nursing in 2003, The University of Iowa with her bachelor's in nursing in 2007, and The University of Phoenix with her master's in business administration and health care management in 2011. She has nursing experience in medical/surgical, surgery, worker's compensation, and nursing administration.

Linda Romero, LISW, Social Worker - Affiliated Staff

Linda Romero Linda Romero helps patients with issues regarding the adjustment to weight loss and the impact on emotional and social well-being.