Monday – Friday: 8:00am – 5:00pm
Saturday: 8:00am – Noon

In an emergency, please call 9-1-1 or go to the nearest emergency room.


We are located on the first floor of the Charles and Joann Knight Alzheimer’s Disease Research Center building.


We understand that children don’t always get sick between the hours of 8:00 a.m. and 5:00 p.m., so we have three options to serve you after hours.


We have one physician who works late Monday through Thursday to accommodate acute illnesses. Please call the office for this option.

Children’s Urgent Care

Washington University Children’s After Hours is available for urgent matters.

Exchange Number

After-Hours Exchange: 314-362-4433

Please only use exchange for urgent concerns that cannot wait until the next business day.

If an urgent matter should arise after office hours, call our exchange. During overnight hours, trained pediatric nurses from St. Louis Children’s Hospital will answer your calls, provide advice, and contact the on-call physician if needed. Routine matters such as appointments, test results, medication refills and billing questions should be addressed during regular office hours. In case of an emergency, go to your nearest emergency room or call 9-1-1.