Bariatric Surgeons And Team

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David D. Coster, M.D.
Grinnell Bariatrics Medical Director and Bariatric Surgeon
Dr. Coster leads the bariatric program with more than 20 years of experience caring for bariatric medical weight loss patients. He is expert in all open, laparoscopic, and robotic laparoscopic bariatric surgery, particularly in more complicated and difficult cases. Dr. Coster’s practice also includes the full spectrum of all other general surgical procedures. He is board certified in general surgery and surgical critical care.

Mathew Severidt, D.O.
Bariatric Surgeon
Dr. Severidt received extensive training in all areas of general surgery and provides expert care for diseases of the stomach, intestine, biliary system, pancreas and breast. He has a special interest in advanced laparoscopy as well as endocrine surgery (thyroid, parathyroid), hernia repair, anti-reflux surgery and trauma/critical care medicine. His training allows him to offer patients minimally invasive solutions to complex surgical problems.

Bridget M. Baechtel, LISW
Ms. Baechtel is a licensed independent social worker with extensive experience in bariatric mental health and psychotherapy both pre- and post-surgical. Ms. Baechtel provides psychosocial evaluation and testing as well as ongoing group and individual support for bariatric patients and their loved ones. As a member of the Bariatric Treatment Team at Surgical Associates, Ms. Baechtel works closely with the medical team to customize clinically appropriate care plans for helping patients who have had struggles with severe obesity.

Stefanie H. Noun, PA-C.
Ms. Noun is a board-certified physician assistant with extensive experience in medicine and psychiatric care, as well as wellness and chronic disease management. Ms. Noun directs and integrates the bariatric program for Surgical Associates and Grinnell Regional Medical Center. She ensures that our bariatric program is comprehensive and fully coordinated. She works side by side with the surgeons in the office and hospital to provide education and long-term follow up for our patients.

Russell E. Bandstra, M.D. and Aaron C. Smith, D.O.
Dr. Bandstra and Dr. Smith are urologists who manage obesity-related disorders of the urinary and reproductive systems, such as incontinence, kidney stones, and sexual dysfunction.