Appointments: (830) 379-6300
520 East Donegan Street, Seguin,TX 78155
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Our Location

Our Mission at Cornerstone Pediatrics is to strive to improve the health and welfare of children and families by providing the highest quality healthcare for infants, children, and teenagers.

This web site provides a virtual "front door" for our practice on the internet. Families looking for a pediatrician can access information about our practice and the services we offer. Use our "Is Your Child Sick?" symptom checker to browse over 100 articles on a variety of topics.

Looking to become a patient here? You may register online simply by clicking the "Patient Portal" button above and going to the registration page.

Established patients and families can use our Patient Portal to access appointment scheduling, school forms, immunization records, prescription refills, and secure messaging.

Cornerstone Pediatrics

Cornerstone Pediatrics is the pediatric practice of Doctor Robert Stephens.

520 East Donegan Street
Seguin, TX 78155

Contact Numbers

Phone: 830-379-6300

Fax: 888-270-7559

Office Hours

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM

Answering Service

Our answering service phone number is 303-715-6012.