Definition: Medicare Supplement Insurance Plan (also known as Medicare Supplemental Health Insurance) is a type of health insurance that provides coverage for both pre-existing conditions and certain chronic conditions. It can be purchased by an individual or a family member, and it typically has lower deductibles than standard health insurance plans. The definition of "medicare supplemental insurance plan" is a type of health insurance policy that replaces or adds additional coverage to existing Medicare benefits. This may include coverage for pre-existing conditions, certain chronic conditions, and preventive services. For example, the word "Medicare Supplement Insurance Plan" refers to a specific type of health insurance that provides coverage for both pre-existing conditions and certain chronic conditions, as described above. The term "medicare supplemental insurance plan" also encompasses policies that may include coverage for pre-existing conditions or certain chronic conditions, but is typically defined by its primary purpose: covering additional benefits beyond what Medicare covers. It's worth noting that the specific definition of "medicare supplemental health insurance" can vary depending on the specific type of policy and the country in which it's offered. It's essential to consult with a healthcare professional or an insurance provider for accurate information regarding your specific situation.