### Question
What is the definition of medicare beneficiary?


### Answer
The definition of **medicare beneficiary** is as follows in *42 U.S.C. § 1395b*:

> an individual who is entitled to benefits under part A of this subchapter, enrolled under part B of this subchapter, or both, and who resides in the United States

#### Citation:
  - *42 U.S.C. § 1395b*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER XVIII-HEALTH INSURANCE FOR AGED AND DISABLED**

