she is the author of four books opposing vaccination
Tenpenny promotes anti-vaccination videos sold by Ty and Charlene Bollinger and receives a commission whenever her referrals result in a sale, a practice known as affiliate marketing.
If you look at her website, the front page is mostly selling her books and various snake oil treatments, like "heavy metal detox" substances. looks further And what appears to be faith healing stuff.
Getting a medical degree doesn't mean that you can't be a scam artist.