The doctor will see your credit now...

"They also fear that a low score might impact the quality of the health care that patients receive. "

Not only the low scoring individuals, but I would most certainly think that it would impact the higher scoring individuals also. Since the healthcare industry is also a business, I'd think that a higher scoring individual might be offered a few additional services not necessarily required just to increase their bill, especially since their score shows they are more likely capable of paying their bill.