Edit snippet - Ascension. Health (7 days ago) Ascension Saint Thomas Hospital Midtown. 2000 Church Street. Nashville, TN 37236.If you have questions, you can reach us at one of the numbers below: Ascension Saint Thomas Dekalb or Stones River: 615-215-5386. Ascension Saint Thomas Highlands: 931-738-4160. Ascension Saint Thomas Hospital Midtown: 615-284-7203. ....