Plans on the health insurance exchanges are expected to cost more in 2016, according to proposed rates from insurers. The exchanges were created as part of the Patient Protection and Affordable Care Act. Insurers were required to post any proposed increases above 10 percent online by June 1.

Cardiology was among the top 10 provider specialties with high average amounts allowed by Medicare, according to the Centers for Medicare & Medicaid Services (CMS). Most of the costs came from medical services rather than drugs administered.

A report from the Government Accountability Office (GAO) concluded that the Medicare fee schedule may be flawed because the American Medical Association does not collect accurate payment data. The GAO also cited concerns about doctors setting the Medicare rates.

U.S. Department of Health and Human Services Secretary Sylvia Burwell announced on May 28 a new payment model to decrease cardiovascular risk for Medicare beneficiaries.

Administrative costs for private health insurance plans and the federal government are expected to increase $270 billion in the next decade. This year, overhead costs are expected to account for 45 percent of all federal spending related to the Patient Protection and Affordable Care Act.

Seven regional cooperatives representing nearly 5,000 primary care clinicians in 12 states received a total of $112 million from the federal government to help prevent cardiovascular disease in their patients.

CFOs are concerned with the "Cadillac tax" companies will have to pay starting in 2018 for offering high-cost health insurance plans.

Computer hackers are increasingly targeting doctors and hospitals and are costing the U.S. healthcare system $6 billion. In 2014, 88.4 million people had their health records breached, nearly twice as many as in 2010.