### Question
How is the term medicare beneficiary defined?


### Answer
The term **medicare beneficiary** is defined in *26 U.S.C. § 6103* as the following:

> an individual entitled to benefits under part A, or enrolled under part B, of title XVIII of the Social Security Act, but does not include such an individual enrolled in part A under section 1818

#### Citation:
  - *26 U.S.C. § 6103*
  - Heading: **Subtitle F-Procedure and Administration > CHAPTER 61-INFORMATION AND RETURNS > Subchapter B-Miscellaneous Provisions**

