(760) 499-3800 Contact Info & Hours of Operation: Rural Health Clinic Urgent Care. Address: North Medical Plaza, 1111 N. China Lake Blvd. Ridgecrest, CA 93555. Phone: (760) 499-3800. Hours: 7 DAYS A WEEK: 7:00 am to 6:30 pm; Holidays: 8:00 am to 3:30 pm. View all providers for this service.