Who is eligible for Medicare? Generally, Medicare is available for people age 65 or older, younger people with disabilities and people with End Stage Renal Disease (permanent kidney failure requiring dialysis or transplant). Medicare has two parts, Part A (Hospital Insurance) and Part B (Medicare Insurance). You are eligible for premium-free Part A if you are age 65 or older and you or your spouse worked and paid Medicare taxes for at least 10 years. You can get Part A at age 65 without having to pay premiums if: