Borrego Health: Your health. Our mission. Borrego Health provides high-quality, comprehensive, compassionate health care to the people in our communities, regardless of their ability to pay. We serve these communities and adjoining regions with respect, dignity and cultural sensitivity as a medical home and safety net for essential health care and social services. Borrego Health, operating in San Diego, San Bernardino and Riverside counties, tailors its programs and services to meet everyone’s health needs in our surrounding communities, regardless of who they are or where they come from.