Doctor and hospital switching has become a recurring scramble as consumers on the individual market find it difficult or impossible to stay on their same plans amid rising premiums and a revolving door of carriers willing to sell policies. “In 2017, just because of all the carrier exits, there are going to be more people making involuntary changes,” said Katherine Hempstead, a senior adviser at the Robert Wood Johnson Foundation, a New Jersey philanthropy. “I would imagine all things being equal, more people are going to be disappointed this year versus last year.”

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