When Gene started dialysis, the health insurance I converted to private from the place I had worked, stayed with us for a year--they paid as primary for approximately 6 months [that's all I had left on the conversion package] and Medicare picked up unpaid amount--which was very little.
Then Medicare took over...but they don't pay for any of the drugs. The State of Montana had an ESRD Drug Program. It usually ran out of money within 6 months of the start of a fiscal year. We were fortunate in that Gene didn't have diabetes and need insulin or drugs or supplies for that, or any other meds except for blood pressure and his pregnat vitamin pill!
Some of the patients we knew who had gone on to transplants pay a horrorific amount for their anti-rejection meds....I believe Medicare pays for a year. We had an 18 year old gal who received a transplant that the anti rejection drugs cost her family $104 a week....she did super with the transplant.