CMS contracts with over 50 insurance companies to process fee-for-service claims; however, CMS is responsible for overseeing these contractors and for ensuring that claims are paid accurately and efficiently.
Cms doesn't have any contracts with agencies. 
mnli hypothesis: Cms doesn't have any contracts with agencies.  premise: CMS contracts with over 50 insurance companies to process fee-for-service claims; however, CMS is responsible for overseeing these contractors and for ensuring that claims are paid accurately and efficiently.