Dr. Charles Kroger was his original therapist, but he has recently been replaced by Dr. Neven Bell.
No they are not supposed to use. Only with MD and Phd can be used. It is just traditionally they all and physiotherapists are using prefix.
Dr. William Glasser
Dr- Katz Professional Therapist - 1995 Closets 4-8 was released on: USA: 10 August 1997
Dr- Katz Professional Therapist - 1995 Cholesterol 1-4 was released on: USA: 18 June 1995
Dr- Katz Professional Therapist - 1995 Paranoia 5-13 was released on: USA: 28 September 1998
Dr- Katz Professional Therapist - 1995 Reunion 3-13 was released on: USA: 9 March 1997
Dr- Katz Professional Therapist - 1995 Thanksgiving 5-18 was released on: USA: 23 November 1998
Dr- Katz Professional Therapist - 1995 Henna 2-12 was released on: USA: 12 May 1996
Dr- Katz Professional Therapist - 1995 Fructose 3-3 was released on: USA: 20 October 1996
Dr- Katz Professional Therapist - 1995 Guess Who 3-6 was released on: USA: 5 January 1997
Dr- Katz Professional Therapist - 1995 Metaphors 5-3 was released on: USA: 29 June 1998