Dr. Eric Foreman’s specialty before joining House’s diagnostic team was neurology. Omar Epps played Foreman throughout House M.D., and the character’s neurological expertise often shaped the team’s investigations.
Foreman began the series as one of House’s original fellows alongside Robert Chase and Allison Cameron. He was highly intelligent, ambitious, and more willing than some colleagues to challenge House’s decisions, even while learning from House’s unusual diagnostic approach.
Neurology is especially relevant to the show because many difficult cases involve the brain, nerves, behavior, or unexplained physical symptoms. Foreman’s specialty therefore gave him a recurring perspective distinct from Chase’s intensive-care background and Cameron’s immunology.
Foreman later moved into leadership and administrative roles, including becoming dean of medicine at Princeton-Plainsboro after Cuddy’s departure. The answer refers to his medical specialty, not to every later position he held.