When was SoutheastHEALTH founded? SoutheastHEALTH was founded in 1928. Where is SoutheastHEALTH's headquarters? SoutheastHEALTH's headquarters is located at 1701 Lacey Street, Cape Girardeau. What is SoutheastHEALTH's latest funding round? SoutheastHEALTH's latest funding round is Acquired. Who are ...