Marin General Outpatient Imaging Center Marin General Outpatient Imaging Center 1240 South Eliseo Drive, Suite 103 Greenbrae, CA 94904 Phone: (415) 461-7770 Fax: (415) 461-1259 Hours of Operation: Monday - Friday, 8:00am - 5:00pm Services Offered: Breast Imaging, Breast Intervention, Ultrasound, X-ray Click here for directions