This is a source dataset for a Let's Get Healthy California indicator at https://letsgethealthy.ca.gov/. Percentage of Californians who receive care in an integrated system, defined as a Health Maintenance Organization that is tracked by the Department of Managed Health Care. Managed care refers to health care coverage that organizes doctors, hospitals and other providers into groups in order to enhance the quality and cost effectiveness of medical treatment. Today, 58 California counties receive their health care through six main models of managed care: Two-Plan, County Organized Health Systems (COHS), Geographic Managed Care (GMC), Regional Model (RM), Imperial, and San Benito. County enrollment information is compiled by Department of Managed Health Care Licensed Full Service Health Plans. This enrollment information is not standardized and may be designated by the member’s place of employment or home resulting in reporting inaccuracies.