More MRIs? Who's paying?

Dr. John Daley in New Hampshire writes a rebuttal to an anti-single-payer editorial:

In New Hampshire, approximately 135,000 citizens lack health insurance, and for those who have it many can't get all they need. The MRI wait may not be long, but many people can't see their doctor, much less get an MRI. Now with health savings accounts and high deductible plans I have insured patients refusing their MRIs due to the cost.