P3Healthcare SolutionsMedicare and Medicaid are the two biggest healthcare insurance programs in the United States. They provide healthcare coverage for different medical specialties, and cardiology is one of them. The federal government has made different rules and... moreMedicare and Medicaid are the two biggest healthcare insurance programs in the United States. They provide healthcare coverage for different medical specialties, and cardiology is one of them. The federal government has made different rules and regulations applicable to eligible populations. These rules may change or modify with time, causing confusion for medical billing services.