Dr. Marilou C. Rosas is a psychiatrist in Temecula, California and is affiliated with Atascadero State Hospital. She received her medical degree from Mathias Aznar Memorial College of Medicine and has been in practice for more than 20 years. Dr. Marilou C. Rosas has expertise in treating bipolar disorder, depression, anxiety disorders, among other conditions - see all areas of expertise. Dr. Marilou C. Rosas accepts Medicare, Aetna, Blue Cross - see other insurance plans accepted.