Survey Reveals High Rate of Surprise Medical Bills for Insured Americans

Commonwealth Fund study finds nearly half of insured adults face unexpected charges, often unaware they can contest them.

45% of insured adults received unexpected medical bills for services they thought were covered.
Only 50% of those who challenged billing errors or coverage denials succeeded in reducing or eliminating charges.
17% of respondents were denied coverage for doctor-recommended services, leading to worsened health for many.
Confusion about insurance rights and processes prevents many from contesting erroneous bills.
Researchers call for stricter federal oversight and penalties for insurers that frequently deny coverage or commit billing errors.