But it's a D. There are other D's besides a Ph.D.: there's the Psy.D and others: (from Wikipedia)
The Doctor of Psychology (Psy.D.) degree is an applied doctorate on the same level as (in alphabetical order) the D.B.A. (Doctor of Business Administration), D.D.S. (Doctor of Dental Surgery), D.Div. (Doctor of Divinity), D.M. (Doctor of Ministry), D.M.F.T. (Doctor of Marriage and Family Therapy), N.D. (Doctor of Naturopathy), D.O. (Doctor of Osteopathy), D.P.M. (Doctor of Podiatric Medicine), D.R.E. (Doctor of Religious Education), D.S.M. (Doctor of Sacred Music), D.S.W. (Doctor of Social Work), D.V.M. (Doctor of Veterinary Medicine), Ed.D. (Doctor of Education), M.D. (Doctor of Medicine), O.D. (Dr of Optometry) and other applied or specialty doctoral degrees. Most of these degrees do not require either a master's level thesis or a doctoral dissertation.