A recent Johns Hopkins study claims more than 250,000 people in the U.S. die every year from medical errors. Other reports claim the numbers to be as high as 440,000. Medical errors are the third-leading cause of death after heart disease and cancer.

https://www.google.com/search?q=iatrogenic+deaths+per+year&ei=DAZuZNP9EdbKkPIP8bu8gAs&oq=iatrogenic+deaths&gs_lcp=Cgxnd3Mtd2l6LXNlcnAQARgAMgUIABCABDIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEOgQIABBHOg0IABCABBCxAxBGEPkBOgoIABCKBRCxAxBDOggIABCABBCxAzoHCAAQigUQQzojCAAQgAQQsQMQRhD5ARCXBRCMBRDdBBBGEPQDEPUDEPYDGAE6CAgAEIoFEJECSgQIQRgAUJ8EWLwbYKYxaABwAngAgAGAAYgB8wWSAQMyLjWYAQCgAQHIAQjAAQHaAQYIARABGBM&sclient=gws-wiz-serp