Dial (415) 391-9686 ext. 8150 or (650) 550-3923 ext. 8150 or (408) 573-9686 ext. 8150 and specify which clinic and department you would like to make an appointment. When your call is answered, please tell the Call Center staff the following: Your name and NEMS Card number. Your provider's name (if you have a regular NEMS provider).