<prompt> Translate the following text to EnglishCMS ina mikataba na makampuni ya bima zaidi ya 50 ya kusindika madai ya malipo ya huduma; hata hivyo, CMS ina jukumu la kusimamia wakandarasi hawa na kuhakikisha kwamba madai yanalipwa kwa usahihi na ufanisi.  <response>: 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. 