Unless you notify us of a change in insurance, we will be unaware of important information that will affect your claims. Please let us know of any insurance plan changes. Call us as soon as a change occurs to insure maximum benefits. Please provide your first and last name, address, social security number, the name of your new insurance plan, its Effective Date, Cardholder Name and Date of Birth, Cardholder ID, Group Number, and the address and phone number of your new insurance company (can be found on the back of your insurance card).