Ask most people to define Medicare and they’ll tell you that it’s health care coverage from the federal government for U.S. citizens age 65 and older. That’s certainly true. But to be sure you’re getting the most from your Medicare coverage, it’s important to understand all of Medicare’s parts, and what each one covers. Medicare is split into four parts, A, B, C and D. Each part covers a specific set of health care services or expenses. This seminar explains each of the four parts.