
Cassie Hajek, MD, FACP, FACMG
Medical Director at Helix
Cassie Hajek, MD, FACP, FACMG, is a Medical Director at Helix. She graduated from the University of South Dakota Sanford School of Medicine and completed her Internal Medicine residency at Montefiore Medical Center in Bronx NY. Before completing her medical genetics fellowship at the UCLA Intercampus Medical Genetics Program, she practiced outpatient internal medicine at Sanford Adult Medicine in Sioux Falls.