FierceHealthcareAmerican Medical Association report: Health insurance markets increasingly concentratedFierceHealthcareAmerican Medical Association report: Health insurance markets increasingly concentrated. by Leslie Small |. Oct 24, 2017 9:56am. Health insurance, pen and stethoscope. A new report from the American Medical Association urges federal and state ...AMA platform to connect physicians and health technology developersHealthcare IT NewsAMA: Nearly 70% of payer markets 'highly concentrated'Healthcare Diveall 10 news articles »