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Dr. O'Neill is on Doximity

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Education & Training

  • SUNY Downstate Health Sciences University
    SUNY Downstate Health Sciences UniversityResidency, Internal Medicine/Emergency Medicine, 2002 - 2007
  • State University of New York Downstate Medical Center College of Medicine
    State University of New York Downstate Medical Center College of MedicineClass of 2002

Certifications & Licensure

  • PA State Medical License
    PA State Medical License 2007 - 2024
  • NY State Medical License
    NY State Medical License 2006 - 2011
  • American Board of Emergency Medicine Emergency Medicine
  • American Board of Internal Medicine Internal Medicine

Clinical Trials

Hospital Affiliations