¿Qué es el seguro suplementario de Medicare (Medigap)?

Medicare Supplement Insurance (Medigap) is extra insurance you can buy from a private health insurance company to help pay your share of out-of-pocket costs in Original Medicare , , like copayments , coinsurance , and deductibles . 

Generally, you must have Original Medicare — Parte A (Seguro de hospital) y Parte B (Seguro médico) — to buy a Medigap policy.