Children's Hospital Colorado
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

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Emergency Locations

In life-treatening emergencies, find the emergency room location nearest you. For non-life-treatening medical needs when your pediatrician is unavailable, visit one of our convenient urgent care locations.

Emergency Locations

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Urgent Care Locations

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Mason Nistel, MD
Mason Nistel, MD

Mason Nistel, MD

Provider's Specialties

  • Gastroenterology - Pediatric
  • Pediatrics

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Digestive Health Institute

(720)777-6669

Insurance plans accepted

We participate with most major health insurance plans and national transplant networks.

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Prepare for your visit

We want to make sure you know what to expect before you arrive.

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Get to know Mason Nistel, MD

Departments and Programs

Experience and background

Faculty member of

Anschutz School of Medicine

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Ronald Sokol, MD

Ronald Sokol, MD

Gastroenterology - Pediatric, Pediatric Transplant Hepatology

Patient ratings and reviews are not available Why?

Ryan Morrow, MD

Ryan Morrow, MD

Gastroenterology - Pediatric, Pediatrics

Michael Narkewicz, MD

Michael Narkewicz, MD

Gastroenterology - Pediatric

Patient ratings and reviews are not available Why?

Caroline Meyer, MD

Caroline Meyer, MD

Gastroenterology - Pediatric

Thomas Walker, MD

Thomas Walker, MD

Gastroenterology - Pediatric

Robert Kramer, MD

Robert Kramer, MD

Gastroenterology - Pediatric

Samantha Woodruff, MD

Samantha Woodruff, MD

Gastroenterology - Pediatric

Jacob Mark, MD

Jacob Mark, MD

Gastroenterology - Pediatric

Learn about patient ratings and reviews