According to the 1915 online directory by vitalsearch-ca.com, and that I found from this link:

http://www.sfgenealogy.com/sf/sfdata.htm#sfdirs

there is the following entry who might be your photographer:

Jewell A Chas (Golda) photogr, h 1677 Sacramento

There is a long list of directory look-up volunteers at this link which might be able to help you further:

http://www.sfgenealogy.com/sf/sfranlok.htm#Directories