Implantable Provider Group president Mike Jones hard at work in his office this afternoon, even though he should be out celebrating a fresh $25 million investment from superstar Silicon Valley vc Sequoia Capital. IPG, which moved recently to 2520 Northwinds Parkway to accommodate growth, says the funding will enable even more. IPG, which has 40 employees today, streamlines the management and delivery of implantable medical devices (think pacemakers) to provide cost-cutting strategies for commercial insurance payers. Sequoia already has invested in kinda? successful firms like Apple, Oracle, Google and YouTube.