Coordinating care for high-risk patients was expected to save money and improve quality of care. A Medicare experiment didn't pan out. Roy Scott/Getty Images/Ikon Images hide caption

itoggle caption Roy Scott/Getty Images/Ikon Images

Jamari Brighthaupt, 11, gets blood drawn by registered nurse Rae Montilla at the Georgetown Pediatric Mobile Clinic. Jessica Camille Aguirre/NPR hide caption

itoggle caption Jessica Camille Aguirre/NPR

On-the-job filling of prescriptions is becoming more common. iStockphoto.com hide caption

itoggle caption iStockphoto.com