Use the following form to signup for new service with AmericasTAS and DoctorsAnsweringService.com. If you have any questions or need assistance filling out this form please call or text 800-235-9315 or use the live chat button at the bottom of this page. Please note: You can begin filling out this form and then press save at the bottom to save your work and then you can use the provided link to go back and complete later.