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Dr. Hefner is on Doximity

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Education & Training

  • National Capital Consortium
    National Capital Consortium2011 - 2014
  • National Capital Consortium
    National Capital ConsortiumResidency, Pediatrics, 2004 - 2007
  • Oklahoma State University Center for Health Sciences
    Oklahoma State University Center for Health SciencesClass of 2004

Certifications & Licensure

  • MO State Medical License
    MO State License 2006 - 2025
  • VA State Medical License
    VA State License 2012 - 2014
  • American Board of Pediatrics Pediatrics
  • American Board of Pediatrics Pediatric Gastroenterology

Clinical Trials

Publications & Presentations

PubMed

Professional Memberships

  • North American Society of Pediatric Gastroenterology Hepatology and Nutrition
    Member

Hospital Affiliations