You need to seek an attorney in the County where your father lives who is familiar with conservatorships. You might petition for the conservatorship and the Court will likely appoint an attorney to represent your father's interests.
This is a general answer only and you should seek the advice of counsel to address facts specific to your circumstances.
I think the real question is, can anyone, yourself or perhaps the Public Administrator of Los Angeles County be appointed as your father's Conservator and Guardian to protect both himself and his assets? Retain counsel and ask this question.
Legal disclaimer: This answer does not constitute legal advice. I am admitted to practice law in the State of Missouri only, and make no attempt to opine on matters of law that are not relevant to Missouri. This answer is based on general principles of law that may or may not relate to your specific situation, and is for promotional purposes only. You should never rely on this answer alone and nothing in these communications creates an attorney-client relationship. less
It depends on what is in the best interest of your father. You should seek the services of an experienced conservatorship attorney as soon as possible to protect your father.
No legal representation exists by virtue of this answer. It is recommended that you contact an attorney directly for a more complete response.