Her clinical interests encompass gastrointestinal cancer, breast cancer, and prostate cancer. Patient reviews placed Dr. Gaynor at an average of 5.0 stars out of 5. She takes Humana HMO, Humana Bronze, and Humana Catastrophic, in addition to other insurance carriers. She graduated from the University of Wisconsin School of Medicine and Public Health. Dr. Gaynor's residency was performed at a hospital affiliated with Loyola University. She has received professional recognition including the following: Chicago Super Doctors. Dr. Gaynor is professionally affiliated with Cardinal Bernardin Cancer Center and Edward Hines, Jr. VA Hospital.