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Riddle, Mark A., M.D.

Dr. Mark Riddle

Division of Child and Adolescent Psychiatry

Main Office Address

Child and Adolescent Psychiatry
Bloomberg Children’s Center, 12th Floor
The Johns Hopkins Hospital
1800 Orleans Street
Baltimore, MD 21287

Phone: 410-955-2320
Fax: 410-955-8691


Administrative Assistant

Carol Dean




Indiana University



Indiana University



Indiana University School of Medicine


Pediatrics Internship

Indiana University Medical Center


Psychiatry Residency

Yale University School of Medicine


Child and Adolescent Psychiatry Fellowship

Yale University School of Medicine

Professional Interests

Dr. Riddle's research, teaching and clinical practice focuses on children with obsessive-compulsive and anxiety disorders, and on pediatric pharmacology.

Selected Publications

Nestadt G, Samuels J, Riddle M, Bienvenu III OJ, Liang KY, LaBuda M, Walkup J, Grados M, Hoehn-Saric R.  A family study of obsessive-compulsive disorder.  Arch Gen Psych 57: 358-363, 2000.

Riddle MA, Reeve EA, Yaryura-Tobias JA, Wong LF, Claghorn JL, Gaffney G, Greist JH, Holland D, McConville B, Piggott T, Pravetz M, Walkup JT.  Fluvomaxine for children and adolescents with obsessive compulsive disorder: A controlled multicenter trial.  JAACAP 40: 222-229, 2001.

The Research Units of Pediatric Psychopharmacology (RUPP) Anxiety Study Group: Walkup JT, Laballarte MJ, Riddle MA, Pine DS, Greenhill L, Klein R, Davies M, Sweeney M, Abikoff H, Hack S, Klee N, McCracken J, Bergman L, Piacentini J, March J, Compton S, Robinson J, O'Hara T, Baker S, Vitiello B, Ritz L, Roper M.  Fluvoxamine for the treatment of anxiety disorders in children and adolescents.  New England Journal of Medicine 344: 1279-1285, 2001.

The Research Units of Pediatric Psychopharmacology (RUPP) Anxiety Study Group: Riddle MA, Ginsburg GS, Walkup JT, Laballarte MJ, Pine DS, Davies M, Greenhill L, Sweeney M, Klein R, Abikoff H, Hack S, Klee B, McCracken J, March J, Bergman L, Piacentini J, Compton D, Robinson J, O'Hara T, Baker S, Vitiello B, Ritz L, Roper M.  The Pediatric Anxiety Rating Scale (PARS): Development and Psychometric Properties.  JAACAP 41: 1061-1069, 2002.

Riddle MA, Kastelic EA, Frosch E.  Pediatric psychopharmacology.  Journal of Child Psychology and Psychiatry and Applied Disciplines 42: 73-90, 2001.


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