InstaMed previously raised $6m in September 2010 to take its then-total to $22m.

InstaMed, a US-based healthcare payments network, has raised $14m from "more than 90%" of its existing venture investors, one new fund and angels.

InstaMed previously raised $6m in September 2010 to take its then-total to $22m.

Those backers include Benjamin Franklin Technology Partners, NJTC Venture Fund, US Bank, Ashby Point Capital and Osage Ventures, which backs university spin-outs. Earlier in the month, Osage backed Carnegie Speech’s $3.4m series B round.

The InstaMed Network powers healthcare payments for over 200,000 providers…