What is the success rate of medical bill negotiation? October 13, 2021 19:09 Updated We save users an average of $400 on their medical bills! We have a high success rate at getting a lower balance or a zero-interest payment plan resulting in great savings. You can get started HERE. Related articles How long does it take to have my medical bill negotiated? How does Medical Bill Negotiation work? What if my medical bill was sent to collections? Will there be any other charges aside from the yearly fee for Trim subscription? What is a Trim Subscription?