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When you see a GSI provider for a consultation or office-based treatment, you will receive a statement from Gastroenterology Specialists, Inc. If you have a procedure at GSI, you will also receive a statement from Gastroenterology Specialists, ASC. GSI’s Clinic and ASC are two separate entities in the same building.
To determine if you need to pay Gastroenterology Specialists Inc or GSI Ambulatory Surgery Center, click on the example statements below and compare with the statement(s) you received by mail.
If you have a bill from GSI, Inc. Your bill will have this in the top left corner: 
If you have a bill from GSI, ASC. Your bill will have this in the top left corner: 
