Payment made but was not paid over to Discovery by their own debt Administrators

I am beyond annoyed with Discovery Health and SSDA, their debt Administrators. To date no progress, I still await the proof of payment from SSDA that the monies was paid over to Discovery. The fact that Discovery opened a bank account in their name for debt collection instead of SSDA caused this problem. I will report SSDA to LPC and Discovery Health to CMS. Discovery knowing what transpired had the audacity to blacklist me for the very same amount. This is nothing short of harassment.