Because every child is extraordinary!

Wonder Kids Pediatrics is the private practice of Dr. Demetrios Leiloglou. Our office is located in the Commons at Wilderness Oak near the intersection of Blanco and Wilderness Oak, close to the Parman Library.

Our address is 20818 Gathering Oak, Suite 109, San Antonio, TX 78260. You can contact us at (210) 762-6464 or by fax (210) 762-6465. If for some reason you have had trouble reaching us by phone, you may request an appointment via our HIPAA secure email address: wonderkidspediatrics {at} mdofficemail {dot} com (you will need to convert this to a usable email address). Please do not send requests for records or appointments through Facebook.

You may leave your email in the space provided to receive updates. You can also follow us on Facebook.

Wonder Kids Pediatrics will be closed for the following holidays 

  • New Year’s holiday, afternoon of Tuesday, December 31, full day Wednesday January 1
  • Good Friday, Friday, April 10, 2020
  • Memorial Day, Monday, May 20, 2020
  • Independence Day, Friday, July 3, 2020
  • Labor Day, Monday, September 7, 2020
  • Thanksgiving Holiday, Thursday, November 26 – Friday, November 27, 2020
  • Christmas holiday, afternoon of Thursday, December 24, full day December 25, 2020
  • New Year’s holiday, afternoon of Thursday, December 31, full day, January, 2021

Wonder Kids Pediatrics is pleased to announce that Dr. Elizabeth Owen has joined our practice. Find out more about Dr. Owen on our About Page.

Dr. Leiloglou and Dr. Owen are currently closed to new patients. This does not include new babies of existing families.

UPDATE April 23, 2019We are pleased to announce that we are back in network with Oscar.


***Please note: it is always your responsibility to confirm with your insurance provider that Dr. Leiloglou, Dr. Owen, and/or Wonder Kids Pediatrics is on your individual plan (many insurance providers do not keep their web listing up to date). If you fail to confirm this and we are not covered by your plan, we will have no choice but to bill you for outstanding charges your insurance refuses to pay for.

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