Even more minimally, just require them to publish their prices. If you change $10 fifteen time, $50 once, and $150 eight times for a procedure, publish all of t

Even more minimally, just require them to publish their prices. If you change $10 fifteen time, $50 once, and $150 eight times for a procedure, publish all of that. And all group buyers should have to publish what they paid for each procedure too, to be fair to the doctors.