医する is read as いする (isuru) and means to cure.
いする
isuru
いがく
medical science
いしゃ
doctor
いだい
medical school
いいん
doctor's office
いちょう
medical director
い
いじ
medical practice
いりょう
medical care
いし
いやくひん
medical and pharmaceutical products
いきょく
medical office (esp. in a hospital)
いか