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

    21391 Pinetree Ln
    Huntington Beach, CA 92646
    Phone+1 714-335-9024

Education & Training

  • Charles R Drew University
    Charles R Drew UniversityResidency, Emergency Medicine, 2000 - 2003
  • Loma Linda University School of Medicine
    Loma Linda University School of MedicineClass of 2000

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2002 - 2026
  • American Board of Emergency Medicine Emergency Medicine