### Question
How is the "participating physician or supplier" defined?


### Answer
The term **participating physician or supplier** is defined in *42 U.S.C. § 1395u* as follows -

> a physician or supplier (excluding any provider of services) who, before the beginning of any year beginning with 1984, enters into an agreement with the Secretary which provides that such physician or supplier will accept payment under this part on an assignment-related basis for all items and services furnished to individuals enrolled under this part during such year

#### Citation:
  - *42 U.S.C. § 1395u*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER XVIII-HEALTH INSURANCE FOR AGED AND DISABLED > Part B-Supplementary Medical Insurance Benefits for Aged and Disabled**

