Jeffery E. Oostyen, Psy.D.
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Jeffery E. Oostyen, Psy.D.

Jeffery E. Oostyen, Psy.D., is a California Licensed Clinical Psychologist (PSY26998) holding a doctorate degree from Alliant International University/California School of Professional Psychology in Clinical Psychology with an emphasis on child, family and relationship therapy. Dr. Oostyen received his bachelor’s degree from Weber State University where he graduated with Honors and was a member of the Psy Chi National Honor Society. He also earned a master’s degree from Pepperdine University where he graduated with a perfect GPA and was a member of the student council. Dr. Oostyen has been with Focus Psychological Services (FSP) for 12 years, beginning as an intern and later as an employee. He conducts individual adult, adolescent, child, marriage/couples, family, and group therapy in areas including depression, anxiety, trauma, bereavement, alcohol and substance addiction (including 12 step), couples’ relationship and parent child relationship issues. Dr. Oostyen’s therapeutic approach employs an eclectic style pulling from multiple therapeutic theories. He conducts training relating to Police Officer and Employee Wellness, Peer Support, as well as Officer Involved Shootings and suicide. Dr. Oostyen provides 24-hour Critical Incident Stress Debriefings (CISD) to contract and non-contract departments, is certified in EMDR (Eye Movement Desensitization and Reprocessing) therapy and holds a certificate in Hostage Negotiation from the FBI. Jeff has extensive experience working with children, adolescents and other individuals with Autism; has been a semi-annual guest speaker at Palomar College’s Emergency Medical Department; and a program supervisor for the STAR program. In addition to working for FPS Dr. Oostyen works for The Counseling Team International (TCTI) where he provides marriage, family, child and individual therapy to multiple governmental agencies, city personnel and their families, assists the training department as an instructor on various topics and responds to critical incidents. He serves clients from TCTI’s southern regions and agencies, working out of the San Diego Mission Valley office. In 2014, Dr. Oostyen began working for the California Department of Corrections and Rehabilitation (CDCR) as a Correctional Psychologist where he is on the CDCR Peer Support Team. At CDCR Dr. Oostyen works closely with a caseload of psychiatric inmates, as well as, performing Mental Health Evaluations and taking on-call assignments for psychiatric emergencies.

To leave a voice message for Dr Oostyen directly, dial: 619-677-3439


444 Camino Del Rio South, Suite 215
San Diego, CA 92108


(858) 565-0066