Contracts between the Centers for Medicare and Medicaid Services (CMS) and various insurers and employers to exchange Medicare information and group health plan eligibility information for the purpose of coordinating health benefit payments.

Measures that providers have agreed to establish to assist in keeping medical costs down.

Self-insured disability insurance plan used in lieu of a state plan, in which a majority of employees voluntarily consent to be covered.

Procedure that providers follow to self-disclose claims presented to the government that are asserted to be mistaken or fraudulent. Also referred to as provider self-disclosure protocol .

Certain individuals aged 65 or older or disabled, who are not otherwise entitled to Medicare and who opt to obtain coverage under Part A by paying a monthly premium.

Act of ending a retirement plan with the cancellation initiated by the plan sponsor.

Individual who earns Social Security credits while working for wages or self-employment income. Also referred to as number holder and worker .