Robert Oscar Horst, M.D. for UC Davis Health

Robert Oscar Horst, M.D.

Health Sciences Clinical Professor

Medical Director, Sacramento County Child, Youth and Family Mental Health

To see if Robert Oscar Horst is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



General Psychiatry

Child and Adolescent Psychiatry

Locations and Contact

Psychiatry and Behavioral Sciences

Psychiatry and Behavioral Sciences - Behavioral Health Center
2230 Stockton Blvd.
Sacramento, CA 95817

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Additional Numbers

Clinic Phone


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

I am a strong believer in collaborative care. I strive to actively involve my patients in all treatment decisions. I see myself as an expert advisor, assisting children and families in making important health care decisions. I respect diversity and strive to keep an open mind. My over arching goal is to improve the quality of life of the individuals I serve in a meaningful way.

Clinical Interests

Dr. Horst is a child and adolescent psychiatrist offering care to children and families with MediCal insurance. He serves as the medical director for Sacramento County Child and Family Mental Health.

Research/Academic Interests

Dr. Horst is strongly interested in education and is a very active teacher and supervisor. He is one of the core attendings in the child and adolescent residency training program at UCDavis.

He is the program director of a mentoring program in child and adolescent psychiatry for medical students sponsored by a grant through the Klingenstein Third Generation Foundation.


Child and Adolescent Psychiatry

Undergraduate School

B.A., University of Colorado, Boulder CO 1995

Medical School

M.D., University of Colorado School of Medicine, Denver CO 1999


Psychiatry, University of Washington, Seattle WA 1999-2000


General Psychiatry, University of Washington, Seattle WA 2000-2003


Child and Adolescent Psychiatry, UC Davis Medical Center, Sacramento CA 2003-2005

Nancy C.A. Roeske, M.D. Certificate of Excellence in Medical Student Education, 2013

Residents’ Outstanding Faculty Award, 2008

Stein JA, Althoff R, Anders T, Davison Y, Edwards S, Frosch E, Horst R, Hudziak JJ, Hunt J, Joshi SV, Kitts RL, Larson J, Leckman J, O'Brien J, Lowenhaupt E, Pruitt D, Malloy E, Martin A, Partner A, Sarles R, Sikich L, Wells L, Kolevzon A. Does early mentorship in child and adolescent psychiatry make a difference? The Klingenstein Third-Generation Foundation Medical Student Fellowship Program. Acad Psychiatry. 2013 Sep;37(5):321-4. doi:10.1176/appi.ap.12070136. PMID:24026370.

Horst RO, Youngdale E. The Nuts and Bolts of ADHD Medication Management. Consultant for Pediatrics, Supplement. 2012 Oct;7:8.

Horst R. Diagnostic issues in childhood bipolar disorder. Psychiatr Clin North Am. 2009 Mar;32(1):71-80. doi:10.1016/j.psc.2008.11.005. PMID:19248917.

Horst RO, Hendren RL. The Nuts and Bolts of ADHD Medication Management. Consultant for Pediatrics, Special Issue: Focus on ADHD. 2008 Aug; 7:8.

Horst RO, Hendren RL. Recognizing Functional Impairments and Their Impact on Quality of Life in Children and Adolescents with ADHD. Perspectives in Psychiatry: A Clinical Update. 2008 Aug;1.

Horst RO. The Neurobiology of Adult ADHD. Perspectives in Psychiatry: A Clinical Update. 2007 Jun;1.