Thank you for signing up for the patient portal. The video at the bottom of this page shows the registration process, as well as how to set up the portal app and how to start a TeleVisit. ... If you need further help call Affinity Health Center at 803-909-6363 or email us at Portal Help. ... Admin Fax: (803) 909-6390 Medical Fax: (803) 909-6364 ....