With an electric mixer, beat butter and brown sugar until light and fluffy. Add vanilla, beat well. Add eggs, one at a time, beat well after each addition.
In another bowl, combine flour, oatmeal, baking sdoa cinnamon and nutmeg. Add flour mixture to butter mixture. Blend well. Fold in raisins and chocolate chips. Mix thoroughly.
Drop by rounded teaspoons on ungreased baking sheets. Bake in 375 degree oven 8-10 minutes.