Health Services Advisory Group (HSAG) The Health Services Advisory Group (HSAG, link: hsag.com) is the Medicare Quality Improvement Organization (QIO) for California, Florida, and Arizona. Health Services Advisory Group HSAG-California is working in conjunction with the Health Improvement Partnership of Santa Cruz County (HIP, link: hipscc.org) to examine the utilization of Long Term Acute Care services in the Santa Cruz Hospital Referral Region.