Epic Systems sued by CureIS Healthcare for alleged 'scheme to destroy' its business

CureIS Healthcare, a managed care services company, filed a civil lawsuit against Epic Systems on Monday night, alleging the electronic health record, or EHR, giant has carried out a "multi-prong scheme to destroy" CureIS' business.

CureIS offers technology and managed services for government programs, including Medicare, Medicaid and other state health initiatives. In a 40-page complaint that was made public on Tuesday, CureIS claims Epic has interfered with its customer relationships, blocked access to necessary data and raised unfounded security concerns, among other anticompetitive practices.

"Epic believes in free and fair competition, and we also believe our customers are in the best position to choose the right solutions to meet their needs—whether with Epic or by adopting other products and services," an Epic spokesperson told CNBC in a statement. "We are aware of the complaint filed by CureIS and we look forward to setting the record straight in court."

The lawsuit is the latest legal battle facing Epic, which houses medical records for about 280 million patients in the U.S. and offers other health-care tools. Data startup Particle Health filed an antitrust lawsuit against the company in September, alleging Epic has used its dominance in the EHR space to stifle competition in other markets that use that data.

"Particle's claims are baseless," Epic told CNBC in a statement at the time.

CureIS' suit was filed in the U.S. District Court for the Northern District of California. The company is being represented by Quinn Emanuel Urquhart & Sullivan, LLP, the same firm that is representing Particle.