Health Plans, Inc. (HPI) is a national Third Party Administrator (TPA) of self-funded health and benefit plans. Founded in 1981, HPI offers customized plans with superior customer service and advanced technology, leveraging Harvard Pilgrim's extensive provider network since its acquisition in 2005[1][5]. Their services target employers, municipalities, and Taft-Hartley plans, providing cost transparency and control[3][5]. HPI's unique selling proposition is its ability to merge flexibility with the power of a large provider network, ensuring affordable, high-quality care[1][5].