Former Interim Commissioner Gregory Slavonic, left, and Hamel Reinmiller, chair of the Oklahoma Department of Mental Health and Substance Abuse Services governing board, lead a meeting on Nov. 20, 2025 in Oklahoma City. (Photo by Emma Murphy/Oklahoma Voice)OKLAHOMA CITY — In a bid to strengthen care, an Oklahoma agency plans to shift to a privatized model for many of its behavioral and mental health services in some areas of the state. The Oklah…