Chezna Warner is a physician assistant who works with patients to manage a range of conditions, including diabetes, high blood pressure, and depression. She sees patients of all ages for acute illnesses and injuries. Her areas of clinical interest include women's health, preconception counseling and health management, and preventive health. She consults with women who have various gynecologic issues, menopausal symptoms, and breast problems.

Her research interests include maternal and child health predictors/epigenetics, integration of physician assistants in primary care, cost consciousness in medical practice, and health care delivery in underserved and immigrant populations.

Warner is an assistant professor in the Department of Family Medicine at Saint Louis University School of Medicine.

She is a member of the American Academy of Physician Assistants and the Missouri Association of Physician Assistants.

In her spare time, she enjoys hiking and geocaching.