Marc Nielsen

Marc Nielsen, D.O., currently serves as Chief of Staff and Medical Director at Seneca Healthcare District, overseeing the Emergency Department as well as inpatient services. With extensive experience in emergency medicine, Marc has held significant roles across various healthcare organizations, including Medical Director at Lassen Indian Health Center and Eastern Plumas Health Care, while also contributing as Chief of Staff at those facilities. Previous positions include leadership roles at Banner Lassen Medical Center, where Marc served as Chief of Staff and Vice-Chief of Staff, and emergency medicine physician roles at TeamHealth and EmCare. Marc's educational background includes a Doctor of Osteopathic Medicine from Touro University California and residency at Stanislaus Family Medicine Residency Program.