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
John Messenger, MD
Provider's Specialties
- Cardiology
- Interventional Cardiology
Provider's location(s)
Location information is not available.
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.
My care philosophy
Translating research into practice by providing cutting edge care in interventional cardiology and structural heart disease innovation.
Get to know John Messenger, MD
Conditions Treated
- Angioplasty
- Angina
- Coronary Disease
- Heart Valve Diseases
- Interventional Cardiology
- Transcatheter Aortic Valve Replacement (TAVR)
- Structural Heart Disease
- Hypertrophic Cardiomyopathy
- Cardiovascular Disease
- Heart Attack
Languages spoken
- English
- Spanish
Experience and background
Coronary artery disease diagnosis and intervention including complex intervention and chronic total occlusion
Valvular and structural heart disease intervention including transcatheter valve therapies
Treatment of hypertrophic cardiomyopathy with alcohol septal ablation
Multi-modal image guidance for coronary and structural intervention
Undergraduate 1988
University of Southern California (CA)
Medical Education 1993
Keck School of Medicine of the University of Southern California
Internship 1994
University of California (San Francisco) Program
Residency 1996
University of California (San Francisco) Program
Fellowship 1998
University of Colorado (University Hospital) Program
Fellowship 1999
University of Colorado (University Hospital) Program
For Patients:
Multimodal Image Guidance/ Transcatheter therapies for structural heart disease/Health Services Research in Ischemic Heart Disease and Interventional Cardiology
Multimodal Image Guidance/ Transcatheter therapies for structural heart disease/Health Services Research in Ischemic Heart Disease and Interventional Cardiology
For Referring Providers:
Outstanding Cardiology Faculty Award 2008
UC Denver Cardiology Fellows
Presidents Award, World Class Care 2010
University of Colorado Hospital
Working Together Award 2012
University of Colorado Hospital
Best Doctor for Executives 2012
Named Best Doctor for Congestive Heart Failure and Interventional Cardiology
ColoradoBiz Magazine
Best Doctors in Denver, Interventional Cardiology 2025
Awarded Best Doctor in Denver, Interventional Cardiology 2008-2010, 2012-2025
5280 Magazine
Top Doctor, Interventional Cardiology 2025
Awarded since 2012
Castle Connolly
Endowed Chair in Interventional Cardiology 2025
Endowed Chair awarded to support clinical and research programs in Interventional Cardiology
University of Colorado School of Medicine
Faculty member of
Meet other experts
Jennifer L. Woods, MD, MEd, MS, FAAP
Adolescent Medicine, Pediatrics
Patient ratings and reviews are not available Why?
Safwan Halabi, MD
Clinical Informatics, Radiology, Radiology - Pediatric
Patient ratings and reviews are not available Why?
Jeremy Jannuzzi, MD/DMD
Oral & Maxillofacial Surgery
Patient ratings and reviews are not available Why?
Jessica Van Ingen, MSN
Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
Cora Christiaans, LCSW
Patient ratings and reviews are not available Why?