You might try contacting any of the below places to ask for referrals as well if any of the above don't work out, though it looks as though there is a varied choice. Sorry I don't know of anyone personally.
Good luck to your friend though.
Institute of Classical Homoeopathy-San Francisco
1336 D Oak Avenue
Saint Helena, CA 94574
(415)248-1632 voice mail
(707)963-6131 fax [email protected] www.classicalhomoeopathy.org
Classical Hahnemannian training offered in seminars and four-year program.*
Pacific Academy of Homeopathy
1199 Sanchez St
San Francisco, CA 94114
(415)695-8220 fax [email protected] www.homeopathy-academy.org
Professional training over three years for students of all backgrounds.*