@Irishk,
Yes. If they are 65 or older. The hospitalization/preventive portion (Medicare A) has no premium. There is a hospital deductable and co-pay. Physician and similar services (Medicare Part B) have a relative low premium of about $96.40/month, except those who are judged to have high incomes. Again, there is both annual deductable and copays. I have been happy with it, so far.
The Medicare B is voluntary, by the way, though there is sort of a penalty for rejecting it. Part B premium has steep increases for every year for which it is rejected.
Without a Part D prescription, there is no help with prescription drugs. Part D is offered by private companies. Rates, deductables, formularies, and co-pays vary all over the place, except there is a Medicare maximum allowable on the annual deductable.