Greenbrook’s King of Prussia center is King of Prussia's most-trusted provider for TMS (Transcranial Magnetic Stimulation) therapy and nasal esketamine. TMS therapy is FDA-cleared for the treatment of depression and Obsessive-Compulsive Disorder (OCD). Nasal esketamine is the only FDA-approved ketamine-based treatment for depression. Both TMS therapy and nasal esketamine are available for you at our King of Prussia center and covered by most insurance in King of Prussia and throughout Pennsylvania.