720-777-0123
- Doctors & Departments
-
Conditions & Advice
- Overview
- Conditions and Symptoms
- Symptom Checker
- Parent Resources
- The Connection Journey
- Calm A Crying Baby
- Sports Articles
- Dosage Tables
- Baby Guide
-
Your Visit
- Overview
- Prepare for Your Visit
- Your Overnight Stay
- Send a Cheer Card
- Family and Patient Resources
- Patient Cost Estimate
- Insurance and Financial Resources
- Online Bill Pay
- Medical Records
- Policies and Procedures
- We Ask Because We Care
Click to find the locations nearest youFind locations by region
See all locations -
Community
- Overview
- Addressing the Youth Mental Health Crisis
- Calendar of Events
- Child Health Advocacy
- Community Health
- Community Partners
- Corporate Relations
- Global Health
- Patient Advocacy
- Patient Stories
- Pediatric Affiliations
- Support Children’s Colorado
- Specialty Outreach Clinics
Your Support Matters
Upcoming Events
Firstline App for Providers
Wednesday, December 13, 2023Experts will discuss a new mobile app called Firstline that can be used in...
- Research & Innovation
Mary Costello, MD
Provider's Specialties
- Emergency Medicine - Pediatric
- Pediatrics
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 Mary Costello, MD
Departments and Programs
Experience and background
Medical Education 2001
University of Santo Thomas
Residency 2007
John H Stroger Jr Hospital of Cook County
Fellowship 2011
Nicklaus Children's Hospital
Faculty member of
Provider's location(s)
Meet other experts
Kathryn Emery, MD
Emergency Medicine - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
Pixie Russell, CPNP-AC/PC
Certified Pediatric Nurse Practitioner, Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Caryn Robertson, MD
Emergency Medicine - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
Nicole Diehl, CPNP-AC/PC
Certified Pediatric Nurse Practitioner, Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Maya Haasz, MD
Emergency Medicine - Pediatric, Pediatrics
Patient ratings and reviews are not available Why?
