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Dr. O'Brien is on Doximity

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Education & Training

  • Naval Medical Center (Portsmouth)
    Naval Medical Center (Portsmouth)Residency, Emergency Medicine, 1992 - 1995
  • Naval Medical Center (Portsmouth)
    Naval Medical Center (Portsmouth)Internship, Transitional Year, 1991 - 1992
  • McGovern Medical School at UTHealth
    McGovern Medical School at UTHealthClass of 1991

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 1998 - 2023
  • FL State Medical License
    FL State Medical License 1995 - 2000
  • American Board of Emergency Medicine Emergency Medicine

Hospital Affiliations