Medicare is a federal health insurance program for people aged 65 and older, while private health insurance for seniors is provided by private insurance companies. Medicare is funded by the government and offers standardized benefits, while private health insurance plans vary in coverage and cost.

Medicare offers coverage for hospital stays, doctor visits, prescription drugs, and preventive services. It provides a safety net for seniors who may have high medical expenses and ensures access to essential healthcare services.

Private health insurance for seniors may offer additional benefits not covered by Medicare, such as dental, vision, and hearing care. It also allows for more flexibility in choosing healthcare providers and services.

Medicare typically has lower premiums and out-of-pocket costs compared to private health insurance plans. However, private plans may offer more coverage options and customizable benefits, which can affect overall costs for seniors.