Seton Medical Center Seton Medical Center 1900 Sullivan Avenue Daly City, CA 94015 Phone: (650) 991-6503 Fax: (650) 991-6755 Hours of Operation: Monday - Friday, 8:00am - 5:00pm 24 hour emergency basis Services Offered: Computed Tomography, Fluoroscopy, Mammography, Ultrasound, Radiography, Special Procedures Click here for directions