What is the Port Orange Walk-in Clinic? People in the Volusia County area of Florida should keep handy the phone numbers for Prime Care – Urgent Care Providers (see their website Port Orange Walk in Clinic). Their walk in clinics at Port Orange and Twin Lakes are open 7 days a week to meet many of your medical needs without appointment and no long waiting time. in Healthwith beachcaredaytonaprimecaremd.orgurgent