They've charged the HMOs with racketeering for slow payment, underpayment and deception in their dealings with physicians.
Many doctors say their frustration with health insurance companies goes far beyond money.
After 27 years, Dr. Ben Keller is shutting down his practice. Keller said he can no longer afford to be a doctor. Keller said he earns 20 percent of what he did 10 years ago. He said HMOs are steadily bleeding the physicians who work with them. Either you do it the company's way, or it's going to cost you.