Posted in Government & Military, Health & Medicine, Organizations, Schools & Education DMHC stands for Department of Managed Health Care (California) DMHC stands for Denver Metro Health Clinic (Denver, CO) DMHC stands for Dickinson Mental Health Center (est. 1958; Ridgway, PA) DMHC stands for Developmental Myosin Heavy Chain DMHC stands for Daughters of Mary Help of Christians (Siu Ming Catholic Secondary School; Hong Kong)