Final answer:
Medicare Part A does not automatically cover individuals with private health insurance; it's made available based on age, disability, and specific conditions like end-stage renal disease.
Step-by-step explanation:
Part A hospital expense coverage under Medicare is not automatically available to individuals simply because they have private health insurance. Medicare Part A is designed for those who meet specific criteria:
- Individuals aged 65 and older
- Individuals with certain disabilities
- Individuals with end-stage renal disease
Medicare coverage is independent of whether a person has private health insurance. It is a government health program established in 1965 to help citizens 65 and older, and significantly expanded to cover other groups like the disabled and those with end-stage renal disease.