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Conditions & Advice
Parenting Tips and Advice
From bringing home a new baby to building trust with your teen, our pediatric experts share guidance to help you navigate the ups and downs of parenthood.
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Research & Innovation
It starts with a Q:
For the latest cutting-edge research, innovative collaborations and remarkable discoveries in child health, read stories from across all our areas of study in Q: Advances and Answers in Pediatric Health.
ParentSmart HealthlineTM
Caring pediatric nurses are available 24/7 to help answer your questions.
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Children’s Hospital Colorado
Anschutz Medical Campus
13123 East 16th Avenue
Aurora, CO 80045
Emergency and urgent care locations
In life-threatening emergencies, find the emergency room location nearest you. For non-life-threatening medical needs when your pediatrician is unavailable, visit one of our urgent care locations.
Urgent care locations (hours vary)
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All locations
See a listing of all our Children’s Hospital Colorado locations including inpatient, outpatient, therapy, surgery facilities and more.
Locations near you
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Mary Costello, MD, FAAP
Provider's Specialties
- Emergency Medicine - Pediatric
- Pediatrics
Insurance plans accepted
We participate with most major health insurance plans and national transplant networks.
Prepare for your visit
We want to make sure you know what to expect before you arrive.
Get to know Mary Costello, MD, FAAP
Experience and background
Medical Education 2001
University of Santo Thomas
Residency 2007
John H Stroger Jr Hospital of Cook County
Fellowship 2011
Nicklaus Children's Hospital
Faculty member of
Provider's location(s)
Meet other experts
Todd Hankinson, MD
Neurosurgery, Neurosurgery - Pediatric
Anne Hanz, DNP
Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Rebecca Somershoe, CPNP-PC
CPN, Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Soham Roy, MD, FAAP, FACS
Otolaryngology, Pediatric Otolaryngology
Jennifer Smedley, DO
Emergency Medicine - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?