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Here, it's safe. Normal life looks a lot different these days, especially in healthcare. But there is one thing that hasn’t changed at Children’s Colorado: Your child’s health and safety are our highest priority. Kids need great pediatric care as much now as ever, and it’s for that reason that we’re reactivating services we temporarily suspended due to the pandemic. We are here to deliver safe, thoughtful, high-quality care for kids who need it. Learn what to expect – and all the ways we’re keeping patients safe.
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720-777-0123Send Postal Mail To:
Children’s Hospital Colorado
Anschutz Medical Campus
13123 East 16th Avenue
Aurora, CO 80045
Emergency and urgent care locations
If you're concerned that you or your child may have been exposed to COVID-19, please do NOT visit an emergency or urgent care location. Instead, call your doctor or our free ParentSmart Healthline at 720-777-0123 for guidance.
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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David Fleischer, MD
- Director, Allergy and Immunology Center
- Associate Section Head
Provider's Specialties
- Allergy & Immunology
Provider's location(s)
Location information is not available.
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Insurance plans accepted
We participate with most major health insurance plans and national transplant networks.
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My care philosophy
When caring for any patient with any medical problem, patient care should involve not just treating the condition, but how that condition affects the patient AND the family as a whole. Treating food-allergic patients requires us to do this, as food allergy affects all aspects of life and the entire family. We are fortunate that Children's Hospital Colorado provides us with the tools to take a multidisciplinary treatment approach to our patients and families, with a team of staff that includes psychosocial support, dietary management, and the most recent food allergy research. And now Children's Hospital Colorado has paired this multidisciplinary care with a state of the art Allergy and Immunology Center, featuring one of the largest food challenge and research units in the world.Get to know David Fleischer, MD
Departments and Programs
Conditions Treated
Languages spoken
- English
Experience and background
My primary clinical interest is food allergy - from the time point of accurate diagnosis, usually at a young age, and the multidisciplinary care of the patient to include psychosocial and dietitian support, through the natural history and hopefully resolution of the allergy. I also believe in helping the patient and the family navigate the management of food allergy from the young age, through important transitions to self-care of school-age children, and then independent living with food allergy as adolescents and adults.
Undergraduate 1992
University of Pennsylvania (Philadelphia, PA)
Medical School 1997
Emory University School of Medicine
Internship 1998
Johns Hopkins University School of Medicine Program
Residency 2000
Johns Hopkins University School of Medicine Program, Pediatrics
Fellowship 2005
Johns Hopkins University School of Medicine Program, Pediatric Allergy and Immunology
For Patients:
My research focuses on food allergy, in particular peanut and tree nut allergies. I am interested in why certain patients with food allergies outgrow them more readily and sooner than others. I am an investigator in treatments for food allergy, including oral, sublingual, and epicutaneous immunotherapies.
My research focuses on food allergy, in particular peanut and tree nut allergies. I am interested in why certain patients with food allergies outgrow them more readily and sooner than others. I am an investigator in treatments for food allergy, including oral, sublingual, and epicutaneous immunotherapies.
For Referring Providers:
My research focuses on food allergy, in particular peanut and tree nut allergies. I am interested in why certain patients with food allergies outgrow them more readily and sooner than others. I am an investigator in treatments for food allergy, including oral, sublingual, and epicutaneous immunotherapies.
My research focuses on food allergy, in particular peanut and tree nut allergies. I am interested in why certain patients with food allergies outgrow them more readily and sooner than others. I am an investigator in treatments for food allergy, including oral, sublingual, and epicutaneous immunotherapies.
Faculty member of
Patient ratings and reviews
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Meet other experts
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Ann Hefel, FNP-BC, RN
Certified Family Nurse Practitioner
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Fred (Dan) Atkins, MD
Allergy & Immunology, Pediatrics
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Amy Stein, MSN, RN
Certified Pediatric Nurse Practitioner
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Kirstin Carel, MD
Allergy & Immunology, Pediatrics
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Beth Whitbeck, CPNP
Certified Pediatric Nurse Practitioner
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Trey Bemis, PNP-C
Certified Pediatric Nurse Practitioner
Patient ratings and reviews are not available Why?
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Rupal Deitz, CPNP-PC
Certified Pediatric Nurse Practitioner
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Allison Hicks, MD
Allergy & Immunology, Pediatrics
Patient ratings and reviews are not available Why?