Dr. Trimmer has been practicing with Cardiology Diagnostics since 1984. The group is part of BJC Medical Group of Missouri, a well-established, multi-specialty physician group. He is a Fellow in the American College of Osteopathic Internists, Society for Cardiac Angiography and Interventions and the American College of Cardiology. He is the chairman of the Cardiology subsection of the American College of Osteopathic Internists. His professional interests include atherosclerosis prevention and treatment, coronary interventions, angioplasty, stenting, rotational atherectomy, therapy of acute myocardial infarctions, peripheral vascular disease diagnosis and treatment, peripheral vascular interventions, angioplasty, stenting, lytic therapy and pacing therapy. He also performs abdominal aortic endograph placement for treatment of abdominal aneurysms in conjunction with vascular surgery.