720-777-0123
-
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.
-
Your Visit
Click to find the locations nearest you
Find locations by region
See all locations -
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.
Send Postal Mail To:
Children’s Hospital Colorado
Anschutz Medical Campus
13123 East 16th Avenue
Aurora, CO 80045
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.
Not sure? Choose the right type of care in the heat of the moment. Help me decide
More Options
Maureen O'Brien, MD
Provider's Specialties
- Hematology/Oncology - Pediatric
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 Maureen O'Brien, MD
Departments and Programs
Conditions Treated
Experience and background
My clinical interests include treatment of children, adolescents, and young adults with high-risk and relapsed leukemias and lymphomas, with a particular focus on acute lymphoblastic leukemia.
Undergraduate 1996
Harvard University (MA)
Medical Education 2000
Harvard Medical School
Internship 2001
Children's Hospital/Boston Medical Center Program
Residency 2003
Children's Hospital/Boston Medical Center Program
Fellowship 2007
Stanford University Hospital
Graduate 2008
Stanford University
Faculty member of
Provider's location(s)
Meet other experts
M. Eric Kohler, MD, PhD
Hematology/Oncology - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
Holly Lindsay, MD, MS
Hematology/Oncology - Pediatric, Pediatrics
Jenna Demedis, MD
Hematology/Oncology - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
Michael Edwards, MD
Hematology/Oncology - Pediatric, Pediatrics
Navin Pinto, MD
Hematology/Oncology - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
Lisa Hartman, MD
Hematology/Oncology - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?