Largest gastroenterology groups by number of physicians

As the gastroenterology industry continues to consolidate, more physicians are opting to join management service organizations.

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Here are the number of physicians at five of the biggest gastroenterology-focused MSOs: 

GI Alliance: 786 physicians 

Gastro Health: 375+ physicians

U.S. Digestive Health: 200+

One GI: 195 physicians

United Digestive: 126 physicians

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