A CBS.com news story on the Commonwealth Fund's healthcare system performance scorecard rates Hawaii as the best state for healthcare "based on 32 indicators, including access, quality, cost, insurance, preventive care, potentially avoidable hospital visits, and premature death (death before age 75)."
Here's the top ten states including all New England states:
3 New Hampshire, Vermont
5 Rhode Island
9 South Dakota
See entire list and read article here. More on The Commonwealth Fund.