What if I need to change my credit card info? February 06, 2019 13:09 To update your credit card info, contact us at 800-995-2032. We do not have access to your full credit card number, only the last four digits. Related articles How do I cancel an order? Is Sales Tax added to my order? Is it safe to shop from davidkind.com? Am I obligated to buy? My Rx is very strong.