Trust. National scope. Customer service excellence. Experience. Security. Independence. These are just some of the reasons why MedSource National is your best choice for IME services. With near instant access to more than 15,000 board-certified physicians in our network, we are a leading resource for peer reviews, record reviews, expert witnesses, second opinions, bill reviews, fee audits and more. Plus, we offer the highest level of operational standards, client communications, rapid responses, and best-in-class data security.