Christopher?
It's a nice looking website. As far as "patient usability" is concerned, the only suggestion I'd make is to have a separate menu item called "Patient Portal" or "Portal." Other than that, it depends on what you are trying to accomplish with the website, if there are "difficulties" that you encounter with patients that you feel the website can help you solve or if there is informaiton you feel patients are expecting you to provide and you need a quick and easy way to provide it. You already have your registration forms posted, and your background.
For example, I found we were being inundated with questions that tied us up on the phone, like "What exactly is involved in a physical?" or "Can't you tell me exactly what blood tests I'll be given? I'll wait while you look them up." This led me to develop a FAQs page. Incidentally, that's also why I made the "About Dr. Coghill" page. Still, people get offended when I don't agree to sit there on the phone and answer each individual question.