
Penetration of Medicare Shared Savings Program accountable care organizations and Medicare Advantage was not associated with substantive changes in health care use among commercial enrollees.

Penetration of Medicare Shared Savings Program accountable care organizations and Medicare Advantage was not associated with substantive changes in health care use among commercial enrollees.

Clinicians treating a higher percentage of patients insured by Medicaid and patients younger than 5 years were more likely to apply fluoride varnish.