Patient Portal Sign-up Instructions Complete the following steps to connect with us online: 1. Visit one of our 10 clinic locations to sign your PIN authorization/release form allowing a TDC team member to print your personal PIN letter. (PIN letters are given only to the patient face to face for security purposes) 2.Pay Your Bill‧Patient Info‧Dr. Fabio Vasquez Joins The Family Medicine Department at Ridgetop West‧Appointments‧Billing & Insurance.