Private equity firm Amulet Capital conducted a three way $130m merger of its southeast Pennsylvania gastroenterology groups, Regional GI, Main Line Gastroenterology Associates and Digestive Disease Associates. Amulet Capital is uniting the groups, creating the 7th largest physician group in the US. Amulet's deal is the fourth such in gastroenterology. Several analysts predicted a significant boom in GI-focused PE investment in 2019.