A Chula Vista, Calif., doctor was one of three people recently arrested in what officials call a “complex, multi-level scheme,” that took more than $200,000 from low-income patients and government agencies.

California’s seven largest health insurers were issued subpoenas to investigate possible illegal activity regarding premium rate increases and delays in claims payments.

A consumer group is accusing WellPoint and UnitedHealthcare of asking workers during business hours to lobby Congress to weaken health reform, actions they say would violate California labor laws.