Please call to schedule an appointment.


Welcome to Pediatric Associates of Barrington. Founded in 1987, our skilled team of Pediatricians, Nurse Practitioners, Nurses and Medical Office Personnel offers comprehensive care for infants, children and adolescents in the Northwest suburbs.

Our focus is to provide the highest quality of care, whether it's an acute care visit or a routine well-child checkup. We will take the time to listen and address your child's needs, keep you informed and help promote a healthy lifestyle. It is our goal to develop an on-going relationship with you and your family, in a comfortable, caring environment.

Please take a few minutes to browse our website to familiarize yourself with the practice. It provides links to new information, office locations and directions, service hours, downloadable forms and other important details about our practice.



  **Best of the Fox 2012**

Pediatric Associates of Barrington would like to thank all of our patients for voting us "Best Pediatricians in McHenry County." Thanks to each and every one of you!!!



Crystal Lake Office
260 Congress Pkwy Suite B
Crystal Lake, IL 60014

Fox River Grove Office
912 W. Northwest Highway, Suite G-7
Fox River Grove, IL 60021

QUICK FIX HOUR!!-through 3/31/14
8am-9am, Mondays only
In CL and FRG locations


After Hours Care Clinic
M-F 6pm-10pm; Sat-1pm-5pm; Sun/Hol-9am-1pm

1800 Hollister Drive, Suite 220
Libertyville, IL
(Walk-in, acute care only)

Judith A. Brown, MD is Board Certified in Pediatrics and a Fellow of the American Academy of Pediatrics, and is a founder of Pediatric Associates of Barrington.

Jonathan M. Kaufman, MD is Board Certified in Pediatrics, is a Fellow of the American Academy of Pediatrics and joined Pediatric Associates of Barrington in 1989.

Darryl H. Colen, DO is Board Certified in Pediatrics and a Fellow of the American Academy of Pediatrics. Dr. Colen joined the practice in 2007.

Margaret B. Stefani, DO is Board Certified in Pediatrics, and a Fellow of the American Academy of Pediatrics. She joined the practice in 2009.

Patricia H. Giannoni, APN;MS;CPNP is a Certified Pediatric Nurse Practitioner and a Certified Lactation Consultant. Pat has worked at Pediatric Associates of Barrington since 1999.

Christine D'Onofrio, APN;MS;CPNP is a Certified Pediatric Nurse Practitioner and joined the practice in September, 2012.



Learn more

Flu vaccines are available.
Call now to schedule your appointment.

Pediatric Associates of Barrington and PediaTrust  are excited to announce the opening of our After Hours Care Clinic, beginning July 1, 2013 !!
See our "services" page for details on this new service.

After Hours Emergencies-7 days/week
Call 815-459-6780 or


Same day appointments!




An online resource center providing you with additional helpful information.

Prenatal consultations are available evenings and daytime. Call for appointment.