Conversion of MRT certificate to Radiologist Assistant certificate. Our patient portal makes it convenient and secure to see and request a copy of your medical records online.Find essential patient information on billing, insurance, payment options, and more. Texas Centers for Infectious Disease Associates takes many insurance plans. For more information call (817) 810-9810 or (214) 716-0662. Information on how to file a Texas Public Information Act request through UT Southwestern's Office of Legal Affairs. These forms are available in PDF format and are spread across various departments, including the Immunization Unit. Accessing and Requesting Health Records in MyChart.