Dr. O'Brien is on Doximity

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

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. O'Brien's full profile

Already have an account?

Education & Training

  • Naval Medical Center
    Naval Medical CenterResidency, Emergency Medicine, 1992 - 1995
  • Naval Medical Center
    Naval Medical CenterInternship, Transitional Year, 1991 - 1992
  • University of Texas Medical School
    University of Texas Medical SchoolClass 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