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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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Celia Lenarz-Geisen, MD
Provider's location(s)
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Insurance plans accepted
We participate with most major health insurance plans and national transplant networks.
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Get to know Celia Lenarz-Geisen, MD
Experience and background
Medical Education 2020
New York University School of Medicine
Residency 2023
University of Colorado School of Medicine
Meet other experts
Mary Saunders, MD
Emergency Medicine - Pediatric, Pediatrics
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Lauren Wollenzin, APN, CPNP-PC
Certified Pediatric Nurse Practitioner
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Stephanie Bourque, MD
Neonatal/Perinatal Medicine, Pediatrics
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