The Centers for Medicare and Medicaid Services (CMS), under standards established by the Affordable Care Act (ACA), with a focus on strengthening requirements for Medicaid provider screening and other enrollment requirements. 

Yes, a provider will be notified via certified mail when terminated for cause. The provider does have appeal rights.

CMS will continuously evaluate whether they need to change the assignment of categories of providers and suppliers to various risk categories.  If they assign certain groups of providers and/or suppliers to a different category, this change will be proposed in the Federal Register.