AMERICAN ANIMAL CARE CENTER 37177 Fremont Blvd. Fremont Ca 94536. Tel: (510) 791-0464. Monday-Saturday 7:00 A.M. to 12 A.M. Sunday 8:00 A.M. to 9 P.M. *Doctor’s hours by appointment and on call after hours. Facility tour Details about this hospital Click for Map and Driving Directions