Job Details. Job Location. Percy Village - Los Angeles, CA. Salary Range. Undisclosed. Description. Title of Position. Medical Service Manager. Location. Percy Village. Exempt/Non-Exempt. Exempt. Union/ Non-Union. Non-Union. Supervisor. Program Director. . Gateways Hospital and Mental Health Center, located in Los Angeles, is a non-profit organization that provides an array of comprehensive mental health services for Children, Adolescents, Transi...