Maggie's Farm

This program may not directly control costs or shove insurance much further than it already covers, but then neither of those tasks are federal jobs. If they belong to any government (which I doubt), they belong to the states. This bill would help most by reducing barriers, undoing some governmental foolishness.
Most of the increase in healthcare costs over the last fifty years has been due to increased capability -- we can do what once we could not and it costs a pile of money. There's a ripple effect: running a cardiac arrest protocol in the field runs around $2000; if the patient survives, we've got $30k in care for the immediate episode in many cases and then ongoing care. Meantime, Tim is alive and working and in the bosom of his family. Letting him die on his living room floor would have saved something like $100,000 in lifetime costs -- at the cost of his life.
Some of the increase is things like defensive medicine, or the fact that CNAs and LPNs may need enough salary to support a family, not supplement the (usually husband's) income.
Much of the increased cost occurs in elderly people -- Alzheimer's care, cancer treatment, COPD and diabetes. Most of the Americans in the high-cost groups are already on Medicare and/or Medicaid, though of course not all.
The profit of insurance companies is so small an element in healthcare costs as not to matter.