In House M.D., which fictional detective is Dr. Gregory House primarily modeled on?

Dr. Gregory House is primarily modeled on Sherlock Holmes in House M.D.

The comparison operates at several levels. Both characters are brilliant investigators who rely on observation, logic, and unconventional deductions. House solves medical mysteries by interpreting symptoms and test results, while Holmes solves crimes by studying physical evidence and behavior.

The series also uses deliberate parallels between names and relationships. House’s surname echoes Holmes’s, and his closest friend, James Wilson, functions as a counterpart to Dr. John Watson. House’s apartment number, 221B, also recalls the London address associated with Holmes in Arthur Conan Doyle’s stories.

House is not a direct adaptation of a single Holmes story. Instead, the show relocates the detective formula to diagnostic medicine. That is why the character can be inspired by Holmes while remaining a distinct physician with his own medical history, addiction, and ethical conflicts.