Dayton Gastro Patient Portal Fast. Convenient. Secure. Patient Portal. There When You Need It Most. ... Englewood. Office & Endoscopy Center 9000 N. Main Street Suite 405 Englewood, OH 45415. Beavercreek (Indian Ripple) Office & Endoscopy Center 4200 Indian Ripple Road Beavercreek, OH 45440..