Which of the following statements about Medicare Part D are correct?
I. Part D plans must enroll any eligible beneficiary who applies regardless of health status except in limited circumstances.
II. Private fee-for-service (PFFS) plans are not required to use a pharmacy network but may choose to have one.
III. Beneficiaries enrolled in a MA-Medical Savings Account (MSA) plan may only obtain Part D benefits through a standalone PDP.
IV. Beneficiaries enrolled in a MA-PPO may obtain Part D benefits through a standalone PDP or through their plan.
I. Part D plans must enroll any eligible beneficiary who applies regardless of health status except in limited circumstances.
III. Beneficiaries enrolled in a MA-Medical Savings Account (MSA) plan may only obtain Part D benefits through a standalone PDP.