All claims data - MedPro Group internal data. A.M. Best rating as of May 2014. MedPro Group includes The Medical Protective Company, Princeton Insurance Company, and MedPro RRG Risk Retention Group. All insurance products are underwritten and administered by these and other Berkshire Hathaway affiliates. Visit medpro.com/affiliates for more information. Free extended reporting endorsement available to healthcare providers who satisfy requirements pursuant to specific policy terms.