If you need new struts you can certainly shop around, and you should. But if you need a used kidney do you really want the lowest price?
You pay 100% of the cost of struts but usually less than 20% the cost of a kidney.
There is plenty of competition, especially in primary care and many PCP's are posting or quoting prices.
But no one shops for a kidney or the cheapest price for chemo.
Sounds like insurance agent talking points.....