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Gateway Health Medicare Assured DiamondSM and Medicare Assured RubySM are HMO plans with a Medicare contract and a contract with Ohio and Pennsylvania Medicaid. Medicare Assured ChoiceSM, Medicare Assured PrimeSM, Medicare Assured GoldSM and Medicare Assured PlatinumSM are HMO plans with a Medicare contract. Enrollment in these plans depends on contract renewal. Gateway HealthSM Special Needs Plans are available to anyone with Medicare and Medicaid, or Medicare and diabetes or cardiovascular disorder or chronic heart failure.