Behind the coming physician shortage
...Existing government programs already reimburse physicians at rates that are often less than the actual cost of treating a patient. Estimates suggest that on average physicians are reimbursed at roughly 78% of costs under Medicare, and just 70% of costs under Medicaid. Physicians must either make up for this shortfall by shifting costs to those patients with insurance — meaning those of us with insurance pay more — or treat patients at a loss.

As a result, more and more physicians are choosing to opt-out of the system altogether. Roughly 13% of physicians will not accept Medicare patients today. Another 17% limit the number of Medicare patients they will see, a figure that rises to 31% among primary care physicians. The story is even worse in Medicaid, where as many as a third of doctors will not participate in the program....