Hi, Diane. Your door can be painted to look just like oak, or any other wood. This can be a do-it-yourself project but you really should think about hiring a pro. The process is not hard and does not take expensive tools but it does require some artistic ability and experience. I'm sure that you could do a flat door but one with a lot of cutting in around windows and things also requires some experience. You should be able to find the right pro by asking at upscale paint and wallpaper stores.