Patient Portal. Access your medical information on demand. Learn More; Visit Website; DeTar On Demand. 9006 N. Navarro St. | Suite B Victoria, TX 77904 (361) 485-0021. Directions; Visit Website; DeTar On Demand Rio Grande. 510 Rio Grande St Victoria, TX 77901 (361) 582-0803. Directions; DeTar Healthcare System. 506 E. San Antonio St. Victoria ....