Nashville, Tenn.-based Surgery Partners Inc. is issuing a $1.290 billion term loan B along with a $75 million revolving credit facility and $335 million in senior unsecured notes to finance its previously announced acquisition of National Surgical Healthcare (NSH). We are affirming our 'B' corporate credit rating on Surgery Partners. The outlook is stable. At the same time, we are assigning our 'B' issue-level rating to operating subsidiary Surgery Center Holdings Inc.'s proposed $1.290 billion term loan B due 2024 and $75 million revolver due 2022 with a '3' recovery rating. We are also assigning our 'CCC+' issue-level rating to Surgery Center's proposed $335 million senior unsecured notes due 2025 with a '6' recovery rating. The stable outlook reflects our