9 8 5 , ▁S CA ▁grew ▁to ▁approximately ▁ 6 7 ▁facilities ▁with ▁Ken ▁Mel k us ▁serving ▁as ▁the ▁CE O ▁for ▁most ▁of ▁that ▁time . ▁Health S outh ▁Corporation ▁acquired ▁S CA ▁in ▁October ▁ 1 9 9 5 ▁and ▁closed ▁the ▁Nash ville ▁office ▁which ▁had ▁been ▁cons olid ated ▁to ▁the ▁company ' s ▁surg ery ▁division ▁office ▁located ▁at ▁the ▁Health S outh ▁Corpor ate ▁Camp us ▁in ▁B irmingham , ▁Alabama . ▁The ▁ac quisition , ▁along ▁with ▁several ▁previous ▁surg ery ▁center ▁company ▁ac quis itions , ▁made ▁Health S outh ▁the ▁largest ▁provider ▁of ▁out pat ient ▁surg ery ▁in ▁the ▁nation ▁with ▁a ▁total ▁of ▁ 1 2 6 ▁surg ery ▁cent ers . ▁Health S outh ▁acquired ▁other ▁surg ery ▁center ▁companies , ▁including ▁ASC ▁Network ▁Cor p ▁and ▁National ▁S urg ery ▁Cent ers , ▁and ▁independent ▁facilities ▁during ▁this ▁period . ▁In ▁March ▁ 2 0 0 7 , ▁Health S outh ▁announced ▁that ▁it ▁would ▁sell ▁its ▁surg ery ▁center ▁division ▁to ▁T PG ▁Capital ▁( TP G ), ▁a ▁large ▁private ▁equ ity ▁firm . ▁ ▁In ▁June ▁ 2 0 0 7 , ▁T PG ▁Capital ▁acquired ▁the ▁assets ▁of ▁Health S outh ’ s ▁surg ery ▁division , ▁effectively ▁forming ▁S CA ▁as ▁a ▁new , ▁stand - alone ▁company . ▁The ▁company ▁was ▁named ▁S urg ical ▁Care ▁Aff ili ates , ▁in ▁recognition ▁of ▁the ▁original ▁S CA , ▁and ▁head qu arter