You are right in being concerned about the expertise of her psychiatrist, especially for a difficult to treat, comples case. One particularly useful guide to expets is the book, BEST DOCTORS in AMERICA. It lists persons by disease area, and includes psychiatrists in all sections of the U.S. ALternatively, in larger cities, the Department of Pshychiatry of a medical school, the local medical society, or a chapter of the Depressive and Manic Depresive Association will often have useful recommendations for expert care.