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Credit Card Payment by phone – dial 1-855-543-6294.

Mail us a payment:

For all professional (provider) services:
Gastroenterology Associates now Gastro Health
PO Box 11970
Olympia, WA 98508-1970

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For Gastroenterology Associates Endoscopy Center facility charges:

Gastroenterology Associates Endoscopy Center
PO Box 13019
Olympia, WA 98508-3019

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