Arroyo Oaks Patient Service Center Authorized Pacific Diagnostic Laboratories location. 2230 Lynn Road 2nd Floor Thousand Oaks, CA 91360. Carpinteria - Patient Service Center. 4806 Carpinteria Avenue Carpinteria, CA 93013. Goleta - Patient Service Center. 5333 Hollister Avenue Suite 120 Goleta, CA 93111. View More.