Houston Psychiatrist - Board Certified. We are MOVING! On September 20, 2021, we will be moving to our new office across Queenston at: 12247 Queenston Blvd Ste D. Houston, TX 77095. Dr. Heathman, Dr. Keller, and Dr. Hinthorn want to help you find the happiness you deserve. Our process begins with a thorough initial evaluation in a relaxed ....