Variety reports that Ramirez will be featured as a surgeon on seven episodes of the ABC-TV medical drama. Air dates have yet to be announced.

Ramirez, as previously announced, is scheduled to depart the Tony-winning Spamalot Dec. 18. Lauren Kennedy will replace her as the Lady of the Lake.

Sara Ramirez received Tony and Outer Critics Circle awards as well as a Drama League citation for her work in Spamalot, and she has also appeared on Broadway in A Class Act, Fascinating Rhythm and The Capeman. Her screen credits include “Hotel Project," "Baseball Wives," "NYPD Blue,” “Law & Order: SVU,” “Third Watch,” “Star Patrol,” “Spin City,” “As the World Turns," "Going Under," "Spiderman," "Washington Heights" and "You've Got Mail."

"Grey's Anatomy" airs Sundays at 10 PM ET on ABC. For more information, visit http://abc.go.com/primetime/greysanatomy.