Oasis Treatment Centers provides comprehensive care for adults struggling with substance use disorders and co-occurring mental health conditions in Costa Mesa, California. Their continuum of care includes detox, residential treatment, outpatient programs, and sober living options. The intimate setting accommodates just 12 clients at a time, creating a focused healing environment open to individuals from anywhere in the country. The center employs evidence-based approaches including cognitive-behavioral therapy, dialectical behavior therapy, mindfulness practices, and eye movement desensitization and reprocessing for trauma. Their integrated treatment philosophy addresses both primary addictions and mental health conditions simultaneously, with particular expertise in marijuana addiction treatment and PTSD recovery. Treatment programs are thoughtfully structured with group therapy forming the foundation, complemented by weekly individual counseling sessions. The 30-day residential program transitions to flexible outpatient options that can extend from three months to a year based on individual needs. Their day treatment provides 6-8 hours of daily therapy, while the intensive outpatient program offers both daytime and evening sessions (6-9 pm) totaling 9-12 hours weekly. The center maintains a favorable 2:1 client-to-clinical-team ratio, with a diverse staff including marriage and family therapists, case managers, and specialized professionals. Their sober living arrangements house six clients per residence with transportation provided to therapy sessions. Oasis operates around the clock, accepting admissions at any hour, and continues to support recovery through alumni services that include regular onsite meetings with complimentary lunch provided.