Sonoma West Medical Center is a district community, non-profit, acute care hospital located in Sebastopol, CA. Our Emergency Room is open 24/7, with a physician on site at all times. We accept most major insurance payers, including MediCal and Medicare. For more information about our outpatient services, as well as Specialty surgeries, go to www.sonomawestmedicalcenter.com or call (707) 823-8511.