Healthcare-focused fintech startup Simplee has raised $20 million Series C round led by Social Capital, with participation from 83North, Heritage Group, and American Express Ventures. These firms join existing investors, including Health Enterprise Partners, Lightspeed Venture Partners and Goldman Sachs.

Simplee has developed financial technology that enables health systems and community hospitals to transform their patient financial experience, achieving higher patient satisfaction, greater payment success, and lower costs.

“The patient financial experience is proving a brand differentiation source for healthcare providers in the rising consumer battle for patients,” Tomer Shoval, CEO and co-founder, said in a statement. “We are thrilled to have support of investors like Social Capital and American Express Ventures as well as returning investors 83North and Heritage Group as we define the financial technology future of healthcare.”

Since launching its enterprise platform in 2013, Simplee now works with nearly 900 hospitals and physician groups, and 5 million patients across the US representing over $1 billion in annual payments.