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 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.

Emergency locations (24/7)

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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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Gregg Kobak, MD
Gregg Kobak, MD

Gregg Kobak, MD

Provider's Specialties

  • Gastroenterology - Pediatric

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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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My care philosophy

I strive to provide the best care for my patients, working with families to diagnose, treat and care for your child as if they were my own.

Get to know Gregg Kobak, MD

Departments and Programs

Conditions Treated

Languages spoken

  • English

Experience and background

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Christy Jones, PA-C

Christy Jones, PA-C

Physician Assistant

Allison Creager, CPNP, FNP-BC, MS

Allison Creager, CPNP, FNP-BC, MS

Certified Family Nurse Practitioner

Alyssa Goldberg, MD

Alyssa Goldberg, MD

Gastroenterology - Pediatric, Pediatric Transplant Hepatology, Pediatrics

Patient ratings and reviews are not available Why?

Marisa Stahl, MD

Marisa Stahl, MD

Gastroenterology - Pediatric, Pediatrics

Robert Kramer, MD

Robert Kramer, MD

Gastroenterology - Pediatric

Ryan Morrow, MD

Ryan Morrow, MD

Gastroenterology - Pediatric, Pediatrics

Julia Boster, MD

Julia Boster, MD

Gastroenterology - Pediatric, Pediatrics, Transplant Hepatology

Mason Nistel, MD

Mason Nistel, MD

Gastroenterology, Gastroenterology - Pediatric, Pediatrics

Learn about patient ratings and reviews