p>The Assistant ACOS (AACOS) of the Southern tier clinicsMartinez, Fairfield, Mare Island, Stockton, Sonora, and Modestoserves as a practicing physician managing patients enrolled in the Northern California VA Health Care System (NCHCS) and oversees administrative operations. Clinical duties include evaluating and treating patients, performing histories and physical exams, documenting care, managing patient close-out, prescribing medications, ordering and interpreting diagnostic tests, communicating results, and handling consultations.