et’s work together to keep you healthy. Through our unique partnership with Boeing, MemorialCare Health Alliance (MCHA) offers you high quality care, personalized service, convenient locations near to where you live, work and play, and a better experience for you and your family – all at a more affordable cost. Developed exclusively for Boeing employees to provide you and your family the care you need, when you need it, MemorialCare Health Alliance brings together providers from several highly-regarded and familiar southern California healthcare systems.