The Association of Mature American Citizens does not administer Medicare supplement plans, but it contracts with insurers to offer supplement plans at a discount, according to amac.us. AMAC members can sign up at amac.us or by calling (800) 334-9330. AMAC discounts and plans are available only to current members.
Medicare supplement plans work with Medicare Part A and Part B to cover out-of-pocket medical expenses throughout the year, such as coinsurance, co-pays and deductibles, states Medicare.gov. On its site, AMAC also offers plans through its affiliates for Medicare Advantage, a type of plan in which a private organization delivers Medicare benefits.