OPTIMUMCARE Corporation is a provider of behavioral healthcare services headquartered in Southern California. The company provides a wide range of inpatient and partial hospitalization (outpatient) behavioral health services for patients with acute mental illness through a network of affiliated hospitals, medical centers and community mental health centers.

Since its founding in 1987, OPTIMUMCARE has grown from a few service locations to 11 under management today. Since 1997, OPTIMUMCARE has been consistently recognized by the Orange County Business Journal as one of the fastest-growing companies in the county based on annualized revenue growth.