Meet our team at Pediagroup Associates! Please take a few moments to learn about our skilled practitioners and our friendly, nurturing staff.

At Pediagroup Associates, we consider it both a great joy and responsibility to care for children. Most of us are parents ourselves, so we strive to be understanding and available to the families we are privileged to serve. We are honored that you have chosen us as your child's primary medical provider and are confident that you will be pleased with the quality of care and service that we can provide you and your family.

A vital part of our service to children begins with our outstanding staff who work hard to manage and maintain a professional, caring and supportive environment for our patients in a timely manner. Our doctors are lifelong learners. Not only have they received advanced medical training in pediatrics, they continually pursue ongoing education to stay abreast of the latest in child health care.

Your child's health is as important to us as it is to you. We look forward to providing you with excellent medical care.

Karen M. Walker, M.D.

Dr. Karen Marie Walker is a founding partner of Pediagroup Associates, S.C. She has been in practice over 40 years. She loves practicing pediatrics and can't imagine ever giving it up. Dr. Walker did both her medical school training and pediatric residency, including one year as Chief Resident at Loyola University Medical Center in Maywood, Illinois.

Dr. Walker is board certified and a Fellow of the American Academy of Pediatrics (FAAP). She has served on the Board of the Illinois Chapter of the American Academy of Pediatrics as a member-at-large. She has chaired the ICAAP’s statewide Committee on Obesity. Dr. Walker has received several awards including the Patient's Choice Award and the Silver Apple Award for teaching given by MacNeal Hospital. She won the Fitzsimmons Oak Park Community Service Award twice for her involvement at the Children's Clinic in Oak Park and she was ICAAP Volunteer of the Month in March 2010.

Dr. Walker is a member of the American Academy of Pediatrics, American Medical Association and the Chicago Medical Society. She is on staff at Lurie Childrens, MacNeal and Loyola Hospitals. In addition she is on the teaching staff at Rush.

Dr. Walker is particularly interested in parenting issues, breast feeding and newborn care, obesity/nutrition, behavior/school issues and alternative medicine. In June 2008 she received a certification in Clinical Homeopathy from the Center for Education and Development of Homeopathy.

Dr. Walker lives in Oak Park with her husband. She has 2 children and 5 grandchildren. Her non-medical interests include tennis, photography, bowling, golf, scrapbooking and writing children books.

At Pediagroup Associates, we also have a dedicated team of friendly receptionists and compassionate medical assistants to help with all of your child's healthcare needs.

Call, come in, and talk with us. We offer 1 free introductory consultation for expectant Moms and potential new patients of any age.

Contact Us

Find Us

610 S. Maple Ave, Suite 3150 Oak Park, IL 60304

Hours of Operation

Our Regular Schedule


9:00 am-5:00 pm


9:00 am-8:00 pm


9:00 am-1:00 pm

No MD in office, telemedicine appointments only.


9:00 am-3:00 pm


9:00 am-3:00 pm


9:00 am-1:00 pm

1st & 3rd Saturday of the month