Dayton Gastroenterology is now offering a secure Patient Portal for the convenience of our patients. ... Office & Endoscopy Center 75 Sylvania Drive, Beavercreek, OH 45440 Beavercreek (Indian Ripple) Office & Endoscopy Center 4200 Indian Ripple Road, Beavercreek, OH 45440 Englewood Office & Endoscopy Center 9000 N. Main Street Suite 405 ....