What is Dr. Thirteen’s birth name in House M.D.?

The story behind the answer

Dr. Thirteen’s birth name in House M.D. is Remy Hadley. The character is usually called Thirteen, a nickname that became associated with her after she joined House’s diagnostic team.

Remy Hadley is portrayed by Olivia Wilde. She first becomes prominent during the competition to form House’s new diagnostic team, when House assigns applicants numbers instead of consistently using their names. Hadley receives the number thirteen, and the nickname remains.

The character is a skilled physician whose storylines include Huntington’s disease, bisexuality, complicated relationships, and the pressures of practicing medicine while facing a serious inherited condition. Her identity is gradually explored rather than presented only through her nickname.

A frequent mix-up is answering Olivia Wilde, which is the actor, or Amber Volakis, another doctor in the series. Remy Hadley is the fictional character’s full name, while Thirteen is her enduring professional nickname.

Source: Wikipedia · fact-checked Sept. 2026

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