PreventionRN Martha Madrid This company is crap, a scam and a total scam and should be reported Scottsdale AZ Arizona!!. Martha Madrid is a scammer using her husbands doctor credentials to scam people for “weight loss” programs. If she doesn’t like you, she will attack you so be careful!! They are all about the money and taking money and not providing a reputable service at all. She hides behind credentials that she earned (or did she??) Be very careful when thinking about using this Prevention RN service or dealing with this scammer Martha Madrid!!