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Meet Our Team

Children in winter sun sledding
Thomas E. Flass, MD, MS

Thomas E. Flass, MD, MS

Pediatric Gastroenterology
Montana Children's Specialists
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Kimberly Longcake, ANP

Kimberly Longcake, ANP

Pediatric Gastroenterology
Kalispell Gastroenterology – Outreach
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Daniel Lustig, MD, MA

Daniel Lustig, MD, MA

Pediatric Gastroenterology
Montana Children's Specialists
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Ashley Dunn, RD, LN
Registered Dietitian





Carrianne Stoker-Postier, MSW
Pediatric Social Worker