California Code, Welfare and Institutions Code - WIC § 14115.5

Moneys payable or rights existing under this chapter shall be subject to any claim, lien or offset of the State of California, and any claim of the United States of America made pursuant to federal statute, but shall not otherwise be subject to enforcement of a money judgment or other legal process, and no transfer or assignment, at law or in equity, of any right of a provider of health care to any payment shall be enforceable against the state, a fiscal intermediary or carrier.