Final answer:
Medigap is health insurance offered by private companies that supplements Medicare benefits and helps cover out-of-pocket expenses. It is an important option for Medicare beneficiaries to reduce healthcare costs.
Step-by-step explanation:
Medigap is the name for health insurance offered by private companies to people eligible for Medicare benefits and designed to supplement those benefits. Medigap policies help cover the out-of-pocket expenses that Medicare does not pay for, such as deductibles, copayments, and coinsurance. These policies are regulated by the government and must meet certain standards to be sold. Medigap is an important option for Medicare beneficiaries to consider to help reduce their healthcare costs.