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Dr. Brennen is on Doximity

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Education & Training

  • University of Rochester
    University of RochesterFellowship, Pediatric Cardiology, 2008 - 2011
  • San Antonio Uniformed Services Health Education Consortium
    San Antonio Uniformed Services Health Education ConsortiumResidency, Pediatrics, 2002 - 2005
  • Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo
    Jacobs School of Medicine and Biomedical Sciences at the University at BuffaloClass of 2002

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 2011 - 2025
  • NY State Medical License
    NY State Medical License 2008 - 2015
  • American Board of Pediatrics Pediatrics
  • American Board of Pediatrics Pediatric Cardiology
  • American Board of Internal Medicine Adult Congenital Heart Disease

Publications & Presentations

PubMed

Hospital Affiliations