Deirdre Yapalater’s recent colonoscopy at a surgical center near her home here on Long Island went smoothly: she was whisked from pre-op to an operating room where a gastroenterologist, assisted by an anesthesiologist and a nurse, performed the routine cancer screening procedure in less than an hour. The test, which found nothing worrisome, racked up what is likely her most expensive medical bill of the year: $6,385.
Whether directly from their wallets or through insurance policies, Americans pay more for almost every interaction with the medical system. They are typically prescribed more expensive procedures and tests than people in other countries, no matter if those nations operate a private or national health system. A list of drug, scan and procedure prices compiled by the International Federation of Health Plans, a global network of health insurers, found that the United States came out the...