The round was led by the healthcare private equity firm, Viewside Capital Partners.

Investors from Essen Ventures, the venture arm of Essen Health Care, a fully integrated healthcare delivery network in New York, joined existing investors Health Catalyst Capital and Connecticut Innovations in the funding round. Essen will deploy ReferWell across its entire organization encompassing more than 400 providers across nearly 50 locations.

ReferWell is a digital health company focused on leveraging the referable momentSM - the point in time when a person is most ready to take action to improve their health - to improve access to care, increase health plans' quality performance and reduce the total cost of care, all while improving members' experience and outcomes. ReferWell's intuitive technology platform and skilled service team helps health plans and providers manage value and help more people get on, and stay on, their healthcare journey. ReferWell, headquartered in Stamford, Connecticut, has grown to support plans responsible for more than 28 million covered lives across the U.S.