Practice News

Flu shots are now available!

We are now scheduling appointments for our flu clinics.
Flu clinics will be held on Saturday afternoons Sept. 24th - Nov. 11th from 12:00 pm-3:30 pm .
Flu AND Covid-19 vaccine clinics will be held on Oct. 1st and Nov. 5th for patients only (no parents).
Please click here for more information.

COVID-19 Vaccines

Moderna COVID-19 vaccines are available for patients aged 6 months to 4 years old.
Please click here for information.

Pfizer COVID-19 initial series and booster vaccine are available for patients aged 5 years and older.

Your Child Tested Positive for COVID-19, now what?
Please click here for care advice.

For the latest guidelines from the CDC regarding COVID-19, please visit

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