Loma Linda, CA 92354 Phone: (909) 558-6491 Website: www.llufamily.com: Loma Linda University Medical Center East Campus Hospital: Urgent Care 25333 Barton Road Loma Linda, CA 92354 Phone: (909) 558-6641Loma Linda University Medical Center Urgent Care at East Campus is staffed with LLUHS Department of Family Medicine physicians and practitioners..