The Los Angeles County Department of Health Services, also known as DHS, offers a range of medical care services. It maintains a health care system that operates an integrated network of hospitals, health centers and clinics. The Los Angeles County Department of Health Services provides a variety of acute and rehabilitative patient care solutions. It trains physicians and health care clinicians, as well as conducts patient care-related research. The department has a staff of more than 20,000 employees. It is operated by the County of Los Angeles in California. The county operates ambulatory care, human resources, nursing affairs and diversity programs departments.