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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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See a listing of all our Children’s Hospital Colorado locations including inpatient, outpatient, therapy, surgery facilities and more.
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William Foos, 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 William Foos, MD
Experience and background
Medical Education 2020
Drexel University College of Medicine
Internship 2021
George Washington University School of Medicine & Health Sciences
Residency 2024
George Washington University School of Medicine & Health Sciences
Fellowship 2025
Children's Hospital of Philadelphia
Meet other experts
Nicola Gray, PNP-C
Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Haley Holton, CPNP, BSN, RN
Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Geetha Bhagavatula, MD
Gastroenterology - Pediatric, Pediatrics
Michele Spottsville, PA-C
Physician Assistant
Aaron Potnick, MD
Radiology, Radiology - Pediatric
Patient ratings and reviews are not available Why?