Sienna Plantation Animal Hospital Share: Animal Hospitals Sienna Plantation Animal Hospital Visit Website 9212 Sienna Ranch Road Missouri City, TX 77459 (281) 778-5244 (281) 788-5246 (fax) About Map About The best care for the best pets! We are a full service Veterinary Hospital servicing dogs and cats. What's Nearby? Distance: 5 10 15 20 25 50 mi.