If you have a life threatening emergency dial 911. 

If you have an urgent or possible emergency occur during office hours, depending on the type of emergency, we will have you either come to the office or report to the nearest hospital emergency department. After hours and weekends; if you want to speak to Dr. Greenberg or the On-Call physician regarding an urgent medical condition, call our office at (916) 983-2663, your call will be returned within two hours.  Please have the name and phone number of your pharmacy available.