Mary O'Connor, CGC

Certified Genetic Counselor – Pediatrics
Accepting new patients
Call for an appointment

    About me

    Mary O'Conner, CGC, is a certified genetics counselor in the Department of Pediatrics at SIU School of Medicine. She earned a Bachelor of Science in Biology at Millikin University in Decatur, IL and a Master of Science in Social Work at University of Tennessee-Knoxville in Memphis, TN. She also earned a Master of Art degree in Teaching at Lindenwood University, St. Charles, MO. O’Connor consults with both pediatric and adult patients.



    Education & training

    Certified Genetic Counselor – Pediatrics
    Board Certifications
    Genetics Counselor
    Graduate Degree
    University of Tennessee-Knoxville, Memphis, TN - Social Work
    Lindenwood University, St. Charles, MO - Teaching
    Undergraduate Degree
    Millikin University, Decatur, IL - Biology


    Treatments & procedures

    Clinical locations


    SIU Pediatrics - Women and Children's Clinic

    400 N. 9th Street Springfield, IL 62702

    SIU Pediatrics in Decatur

    2 Memorial Dr. Decatur, IL 62526 Suite 305
    Mon - Fri: 8:00 am-4:30 pm