In the 1992 House election Deutsch was elected to the United States House of Representatives. He was reelected in 1994, 1996, 1998, 2000, and 2002. Several times, including in 2000 and 2002, he ran for reelection unopposed. In the House he became the ranking member of the Subcommittee on Oversight and Investigations of the Energy and Commerce Committee, which investigated amongst other things the Enron scandal, the Firestone Tire issue, NIH Conflicts and Martha Stewart’s ImClone stock trading case. Deutsch served from January 3, 1993, to January 3, 2005.