Jeffrey L Gum, MD

Logan M. Eberly, M.D., is an adult congenital heart disease cardiologist with Norton Heart & Vascular Institute and Norton Children’s Heart Institute, affiliated with the UofL School of Medicine. Dr. Eberly earned his medical degree from the University of Louisville School of Medicine. He completed his residency in combined internal medicine and pediatrics at Duke University Medical Center, Durham, North Carolina. He completed fellowships in adult cardiovascular disease at Emory University School of Medicine in Atlanta, Georgia, adult congenital heart disease at Boston Children’s Hospital and Brigham and Women’s Hospital in Boston, Massachusetts. Dr. Eberly’s clinical interests include adult congenital heart disease, cardiovascular disease and pregnancy, hemodynamic cardiac catheterization and cardiovascular imaging. He also works with the Norton Heart & Vascular Institute Women’s Heart Program, focusing on the care of women with cardiovascular disease during pregnancy. Dr. Eberly also holds an academic appointment as an assistant professor of pediatrics at the University of Louisville School of Medicine.

David A. Robertson, M.D., is a neurologist and neuroimmunologist with Norton Neuroscience Institute. He earned his medical degree from the University of Kansas School of Medicine, Kansas City, and completed his internship and residency at Vanderbilt University School of Medicine, Nashville, Tennessee. Dr. Robertson’s approach to medicine is best described as “integrative neurology,” which includes comprehensive care, multidisciplinary resources and empowering the individual to improve patients’ quality of life. He strives to foster a strong relationship with his patients, their families and their team of health care and wellness providers. Dr. Robertson is expanding neurological care to adults with physical and intellectual disabilities as they transition out of child neurology care. As a general neurologist, Dr. Robertson provides care for pediatric and adult patients with neurologic conditions. In the field of neuroimmunology, he works with patients who have multiple sclerosis and other complex neurologic conditions. He joined the Norton Neuroscience Institute Hussung Family Multiple Sclerosis Center because clinical services and support resources are consistent with the integrative neurology approach to medicine. Dr. Robertson is originally from McPherson, Kansas.

Susan M. Hellervik, APRN, is a nurse practitioner with Norton Heart & Vascular Institute. She earned her master’s degree in nursing from Vanderbilt University School of Nursing, Nashville, Tennessee. Susan specializes in cardiology, and her experience includes outpatient and inpatient care for cardiology and intensive care unit patients. Her goal when providing care is to help patients understand their health issues and treatment plans, which can lead to better outcomes. Outside of work, Susan enjoys spending time with family and her dog, reading and hiking.