Practice News

Flu Shots Now Available
Flu clinics are available on the following Saturday afternoons from 12:00pm-3:30pm:
9/30, 10/7, 10/14, 10/28 and 11/11

 Additional flu clinics are available on the following evenings from 5:00pm-7:00pm:
10/5, 10/11, 10/18 and 10/25

Flu shots will also be available during regularly scheduled wellness exams and office visits.

Call our office today to schedule your family's flu shots!  

Newborn Care and Transfer Care
Dr. Law and Dr. Persak are accepting new patients transferring care from other providers.
We continue to accept newborn babies into our practice.
Please see our New Patients tab for more details.

Welcome to Our Practice

Since 1987, we have been committed to bringing you the very best value in pediatric health care.


The goal of ABC Pediatrics is to provide quality health care to our patients. We serve as advocates for all children, newborn through adulthood. We strongly believe in spending ample time educating families about well childcare, pediatric illness, behavioral and school problems.


Our providers are all board certified in pediatrics and our doctors are Fellows of the American Academy of Pediatrics. Our doctors are on staff at Edward Hospital in Naperville and are affiliated with Ann & Robert H. Lurie Children’s Hospital of Chicago. Our team:

  • Gus Rousonelos MD
  • Erin Shanks MD
  • Karolyn Law MD
  • Ushma Patel MD
  • Pamela Persak MD
  • Larissa Schulze CPNP
  • Tiffany Kozlick CPNP

Hours of Operation

Our Regular Schedule


7:30 AM-7:30 PM


7:30 AM-6:00 PM


7:30 AM-7:30 PM


7:30 AM-7:30 PM


7:30 AM-5:45 PM


8:00 AM until last scheduled appointment



Our Location

Find us on the map