to the care received weeks or even months later . `` We want to make it harder to make a mistake , '' Dr. Peter Berger , Homicz 's cardiologist , said after the procedure . Watch more on Geisinger 's approach to health care '' Berger has a 40-item checklist covering steps before , during and after the procedure , including checking whether the catheterization is really needed to ensuring he has the right patient on the table . Berger , who is also the system 's director of clinical research , says patients and doctors both benefit from this type of medicine . `` Every study that has been done has shown that doctors and health care systems are n't as good at administering all of the things a patient needs as we ought to be , '' Berger says . `` There are so many watchful eyes on the patient . All members of the team have an assigned responsibility , and we are all making sure we all do our job . I absolutely think that the patients benefit from that kind of approach . '' Leading up to Homicz 's catheterization and during the procedure
DANVILLE , Pennsylvania -LRB- CNN -RRB- -- When Joseph Homicz 's doctor found what could be dangerous blockages of the arteries , he ordered catheterization , a common procedure in which tubes are inserted into the body to check the blood flow . Dr. Peter Berger , far right , has a 40-item checklist covering steps before , during and after a procedure . But Homicz 's treatment was not quite ordinary because he was sent to a cardiologist working at Geisinger Health System in Danville , Pennsylvania . Geisinger , which operates hospitals , community clinics and its own insurance company , is enacting what some consider radical ideas to improve patient care and lower costs . It 's a system that President Obama has billed as one of the nation 's `` islands of excellence . '' Homicz 's procedure was part of the Proven Care program , in which all of a patient 's medical professionals work together to ensure no mistakes are made . It is everyone 's job to make sure any errors are caught , and doctors are graded on the entire treatment a patient receives from the time of diagnosis through an operation