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Medicare glossary

Understand what common Medicare terms mean

As you explore your Medicare choices, you may run across unfamiliar words or phrases. This glossary explains what they mean.

For more information, visit Medicare.gov.

Health Alliance Plan (HAP) has HMO, HMO-POS, PPO plans with Medicare contracts. HAP Medicare Complete Duals (HMO D-SNP) is a Medicare health plan with a Medicare contract and a contract with the Michigan Medicaid Program. Enrollment depends on contract renewals.

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