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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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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 Marcy Yonker, MD
Departments and Programs
Conditions Treated
- Migraine
Experience and background
Treatment of Headache in Children and Teens
Medical Education 1990
University of Pittsburgh School of Medicine
Residency 1992
Children's Hospital of Philadelphia
Fellowship 1995
Children's Hospital of Philadelphia
Faculty member of
Provider's location(s)
Patient ratings and reviews
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Meet other experts
Jill Marks, CPNP, RN
Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Chinonye Ihekweazu, MSN
Certified Pediatric Nurse Practitioner
Whitney Woodhull, MD, MPH
Neurology - Pediatric
Kevin Ess, MD, PhD
Neurology - Pediatric, Neurophysiology
Patient ratings and reviews are not available Why?
Jill Kukuk, FNP
Nurse Practitioner
Chelsey Stillman, PA
Physician Assistant
Stephanie Shea, PA-C
Physician Assistant