To put Marshall's interest rates in context, new reporting from the @kansascity.com Star: They were "by far the highest of the roughly 150 medical practices whose public records were reviewed" ... "no other medical providers that charged annual interest at 18% or any other specified rate above 12%"
Roger Marshall charged his patients 18% annual interest on their unpaid bills. His bakery bill for $678.75 was due six years ago. At 18% interest compounded annually, the total he'd owe would be at least $1,800. Marshall just paid the bakery $1,300—far less than what his patients would owe.