Final answer:
Certain individuals may not be able to join a private fee-for-service plan, including those with end-stage renal disease, individuals living outside the service area, and those without Medicare Part A and Part B or without paying the Part B monthly premium. The correct options are a, b, c, d.
Step-by-step explanation:
Private fee-for-service plans are a type of Medicare Advantage plan where individuals can go to any Medicare-approved doctor or hospital that accepts the plan's terms and conditions. However, there are certain individuals who may not be able to join a private fee-for-service plan.
Those who do not have end-stage renal disease (ESRD) are eligible to join a private fee-for-service plan. However, individuals who live outside of the service area where the plan operates may not be able to join.
Additionally, individuals who have both Medicare Part A and Medicare Part B are also eligible to join a private fee-for-service plan. Finally, individuals who pay the monthly premium for Medicare Part B are eligible to join a private fee-for-service plan. The correct options are a, b, c, d.