RadNet Northern California lets you access all your reports and diagnostic imaging online! We have 26 Northern California locations that include Emeryville, Pittsburg, San Francisco, Santa Rosa, Vallejo, Elk Grove, Fresno, Hanford, Modesto, Concord, Fremont, Oakland, Pleasanton, San Leandro, Walnut Creek, Sacramento, Stockton, San Jose, Los Gatos and Mountain View all your.