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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.
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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.
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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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Maureen O'Brien, MD
Provider's Specialties
- Hematology/Oncology - Pediatric
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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 Maureen O'Brien, MD
Departments and Programs
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
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Taymour Hammoudi, MD, PhD
Hematology/Oncology - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
Daniel Ambruso, MD
Hematology/Oncology - Pediatric
Patient ratings and reviews are not available Why?
Michael Verneris, MD
Hematology/Oncology - Pediatric
Patient ratings and reviews are not available Why?
Cameron Baldes, MD
Hematology/Oncology - Pediatric, Pediatrics
Melissa Marvin, APRN, CPNP-AC, CPNP-PC, MSN
Certified Pediatric Nurse Practitioner
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Marilyn Manco-Johnson, MD
Hematology/Oncology - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?