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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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Krista Greenan, MD
Provider's location(s)
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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 Krista Greenan, MD
Experience and background
Medical Education 2009
University of California Davis
Internship 2010
Gunderson Lutheran Medical Center
Residency 2017
University of California Davis
Fellowship 2018
University of Colorado School of Medicine
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Sarah Horvath, PhD
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Sarah Bollhoefner, CPNP-PC
Certified Pediatric Nurse Practitioner
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Rachel Torry, DNP
Certified Pediatric Nurse Practitioner, Surgery - Pediatric
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Allison Creager, CPNP, FNP-BC, MS
Certified Family Nurse Practitioner