Outpatient imaging is expanding hours of operation, as follows: Diagnostic Imaging in Pleasanton: Monday-Friday, 7:30 a.m. - 5:30 p.m. Diagnostic Imaging in Livermore: Monday-Friday, 8 a.m. - 5 p.m. Women’s Imaging Center: Monday-Friday, 8 a.m. - 5 p.m.