Yes, video is an excellent tool for attracting and new patients.  Video is a powerful story telling platform that allows you to communicate complex and important topics in an easily understood manner.  The combination video and written content will boost your SEO presence and promote your expertise.  You may want to consider various formats and distribution channels for your videos.  Some video content might be short and best suited for social posting or developing a YouTube search presence.  Other video content might be interactive video and is better suited for your website to further the development of your patient-doctor relationship.