Prosecutors said the defendants were part of a larger conspiracy involving more than 300 suspects.
Deputy District Attorney Gregory Alker of the Automobile Insurance Fraud Division said investigators of the District Attorney's Bureau of Investigation arrested attorney Vadim Schar, 40, at his Encino home without incident.
Schar is charged with 16 counts of insurance fraud and four counts of possession of illegal narcotics, including cocaine, methamphetamine, concentrated cannabis and marijuana.
Chiropractors and paralegal administrators of three law firms also were arrested and charged. Among them were chiropractor Arkady Pishik, 52, and paralegal administrator Alex Shidlovitsky, 56. Pishik faces 14 counts of insurance fraud, while Shidlovitsky is charged with 22 counts.
Chiropractors Arutyun Tovanyan, 33, and Dely Diaz, 37, also are charged in the complaint, as are paralegal administrators Geliya Akselrud, 67, and Michael Itkin, 50. The four face a total 42 counts of insurance fraud.