Cardiologists, Heart Stents, and Upcoding 

Cardiologists can criminally game the system by telling patients they have much more serious, unstable diseases than they really have—fraud that results in unnecessary procedures, unnecessary costs, and unnecessary patient harm.

“The history of medicine abounds with dogmas assumed and later overcome”—sometimes, much later. The Women’s Health Initiative study showed that giving women Premarin, a hormone replacement therapy, increased the risk of the number one killer of women, heart disease, as well as breast cancer risk. Millions of women stopped taking it, and breast cancer rates came down.

Another such reversal of an established medical practice is percutaneous coronary intervention (PCI)—angioplasty and stents for…