Dr. Chapman was born and raised in New Mexico. She completed her undergraduate training at Barnard College of Columbia University, earning a BA in biology and graduating summa cum laude. She then traveled to Dallas, Texas for medical school at the University of Texas Southwestern Medical Center where she was elected into the Alpha Omega Alpha Honor Medical Society. Heading north, Iona completed her intern year in internal medicine at Loyola Medical Center and then her three year dermatology residency at the University of Illinois at Chicago where she served as Chief Resident. Her interest in dermatologic surgery lead her to pursue a fellowship in Mohs micrographic surgery at the University of Alabama at Birmingham where she focused on the treatment of cutaneous cancers.

Dr. Chapman was born and raised in New Mexico. Dr. Chapman and her husband enjoy exploring the great outdoors and trying new recipes.