Discover healthcare providers in Houston, TX with a similar scope of practice to RYAN MICHAEL CASSIDY M.D., PH.D.. These local professionals also specialize in psychiatry & neurology. Our records identify 49 registered providers nearby; this includes a mix of 33 individual practitioners and 16 healthcare organizations. For your convenience, we have ranked these results by distance to help you find the closest available care. A handy interactive map is also available; select Show map to see where each nearby provider is located, or use Export CSV to download the complete list.