Are you new to Exer? Learn more about us here. We staff each of our clinics with on-site ER Doctors with years of experience in emergency medicine. With on-site X-Ray, Lab, Pharmacy, IV, Splinting, Laceration, Diagnostics, we offer patients more comprehensive medical services than a typical walk-in urgent care. In fact, each of our facilities have the capabilities to stabilize and treat 80% of the cases seen daily in the local ER, with less waiting time and for a fraction of the cost. The Exer Urgent Care Westlake Village facility is open 7 days a week, from 9am to 9pm, and our last patients are registered daily at 8:30pm. No appointment needed.