Alan Kenji Koike, M.D., M.S.H.S. for UC Davis Health

Alan Kenji Koike, M.D., M.S.H.S.

Health Sciences Clinical Professor

Alan Kenji Koike is not currently accepting new patients. For assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).




Locations and Contact

2230 Stockton Blvd.
Sacramento, CA 95817

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Additional Numbers

Clinic Phone


Clinic Phone


Clinic Fax


Clinic Fax


Physician Referrals

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

Philosophy of Care

I strive to take my time, listen carefully and work wtih you to provide the best care possible.

Clinical Interests

Dr. Koike is a general psychiatrist.

Research/Academic Interests

Dr. Koike focuses on resident education, especially diversity, equity and inclusion in training.


Adult Psychiatry

Undergraduate School

B.A., Biology, UC Santa Barbara, Santa Barbara CA 1986

Medical School

M.D., Northwestern University School of Medicine, Chicago IL 1990

Other School

M.S.H.S., Health Services, UCLA, Los Angeles CA 2001


Psychiatry, UC Davis School of Medicine, Sacramento CA 1990-1991


Psychiatry, UC Davis School of Medicine, Sacramento CA 1991-1994

Gold Humanism Honor Society, UC Davis School of Medicine Chapter, 2012

Recognition for Excellence in Student Wellness, UC Davis School of Medicine, 2010, 2011

Irma Bland Award for Excellence in Teaching Residents, American Psychiatric Association, 2009, 2010

The Chancellor's Achievement Award for Community and Diversity, UC Davis, 2005, 2006

Outstanding Faculty Award, Department of Psychiatry, UC Davis School of Medicine, 2003, 2004

Hilty DM, Lim RF, Nasatir-Hilty SE, Koike AK, Ton H, Nesbitt TS. Planning for telephsyciatric consultation: A needs assessment for cultural and language services at rural sites in California. J Rural Mental Health. 2015;39(3-4):153-161. doi:10.1037/rmh0000035.

Xiong GL, Iosif AM, Suo S, Mccarron RM, Koike A, Onate J, Carter CS. Understanding preventive health screening services use in persons with serious mental illness: how does integrated behavioral health primary care compare? Int J Psychiatry Med. 2015;48(4):279-98. doi:10.2190/PM.48.4.d. PMID:25817524.

Ton H, Koike A, Hales RE, Johnson JA, Hilty DM. A qualitative needs assessment for development of a cultural consultation service. Transcult Psychiatry. 2005 Sep;42(3):491-504. doi:10.1177/1363461505055629. PMID:16268240.

Bourgeois JA, Koike AK, Simmons JE, Telles S, Eggleston C. Adjunctive valproic acid for delirium and/or agitation on a consultation-liaison service: a report of six cases. J Neuropsychiatry Clin Neurosci. 2005 Spring;17(2):232-8. doi:10.1176/jnp.17.2.232. PMID:15939979.

Bourgeois JA, Hilty DM, Klein SC, Koike AK, Servis ME, Hales RE. Expansion of the consultation-liaison psychiatry paradigm at a university medical center: integration of diversified clinical and funding models. Gen Hosp Psychiatry. 2003 Jul-Aug;25(4):262-8. doi:10.1016/s0163-8343(03)00040-9. PMID:12850658.

Koike AK, Unützer J, Wells KB. Improving the care for depression in patients with comorbid medical illness. Am J Psychiatry. 2002 Oct;159(10):1738-45. doi:10.1176/appi.ajp.159.10.1738. Erratum in: Am J Psychiatry. 2003 Jan;160(1):204. PMID:12359681.

Wells K, Klap R, Koike A, Sherbourne C. Ethnic disparities in unmet need for alcoholism, drug abuse, and mental health care. Am J Psychiatry. 2001 Dec;158(12):2027-32. doi:10.1176/appi.ajp.158.12.2027. PMID:11729020.

Zatzick DF, Roy-Byrne P, Russo JE, Rivara FP, Koike A, Jurkovich GJ, Katon W. Collaborative interventions for physically injured trauma survivors: a pilot randomized effectiveness trial. Gen Hosp Psychiatry. 2001 May-Jun;23(3):114-23. doi:10.1016/s0163-8343(01)00140-2. PMID:11427243.

Koike A, Klap R, Unützer J. Utilization management in a large managed behavioral health organization. Psychiatr Serv. 2000 May;51(5):621-6. doi:10.1176/ PMID:10783180.

Cameron RP, Ton H, Yang C, Endriga MC, Lan MF, Koike AK. The Transcultural Wellness Center: rehabilitation and recovery in Asian and Pacific Islander mental health care. J Soc Work Disabil Rehabil. 2008;7(3-4):284-314. doi:10.1080/15367100802487549. PMID:19064432.