Skip to main content

Dr. O'Brien is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. O'Brien's full profile

Already have an account?

  • Office

    3260 E 104th Ave
    Thornton, CO 80233
    Phone+1 720-929-8300
    Fax+1 720-929-8444

Education & Training

  • Cincinnati Children's Hospital Medical Center
    Cincinnati Children's Hospital Medical CenterFellowship, Allergy and Immunology, 1991 - 1993
  • University of Texas Health Science Center at Houston
    University of Texas Health Science Center at HoustonResidency, Pediatrics, 1984 - 1987
  • McGovern Medical School at UTHealth
    McGovern Medical School at UTHealthClass of 1984

Certifications & Licensure

  • CO State Medical License
    CO State Medical License 2003 - 2025
  • AL State Medical License
    AL State Medical License 1991 - 2018
  • NV State Medical License
    NV State Medical License 1981 - 2017
  • CA State Medical License
    CA State Medical License 1977 - 2016
  • MN State Medical License
    MN State Medical License 2006 - 2007
  • OH State Medical License
    OH State Medical License 1991 - 2004
  • GA State Medical License
    GA State Medical License 1988 - 1991
  • American Board of Allergy and Immunology Allergy & Immunology
  • Join now to see all

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification Intergy EHR, Vitera Healthcare Solutions, LLC, 2013

Publications & Presentations

PubMed