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Dr. O'Sullivan is on Doximity

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Education & Training

  • Robert Packer Hospital/Guthrie
    Robert Packer Hospital/GuthrieResidency, Surgery, 1965 - 1966
  • Graduate Hospital
    Graduate HospitalResidency, Surgery, 1964 - 1965
  • St Clares Hospital Health Center
    St Clares Hospital Health CenterInternship, Transitional Year, 1963 - 1964
  • University College Cork Faculty of Medicine
    University College Cork Faculty of MedicineClass of 1955

Certifications & Licensure

  • MN State Medical License
    MN State Medical License 1991 - 2022
  • NY State Medical License
    NY State Medical License 1973 - 2017
  • MI State Medical License
    MI State Medical License 1957 - 2012
  • American Board of Surgery Surgery

Awards, Honors, & Recognition

  • Top MD Consumers Checkbook

Press Mentions

  • Silent Sleep Danger for Smokers Uncovered in First-of-Its-Kind Study
    Silent Sleep Danger for Smokers Uncovered in First-of-Its-Kind StudyNovember 17th, 2021