William N. O'Connor, MD

Clinical interests

  • Autopsy
  • Cardiac Pathology
  • Surgical Pathology
  • Thoracic Pathology
  • Transplant Pathology

William N. O'Connor, MD


My name is William N. O’Connor; I received my medical degree from National University of Ireland, College of Medicine, Cork, Ireland. I am board certified by the American Board of Pathology in Anatomic and Clinical Pathology.

Faculty rank

Professor of Pathology and Laboratory Medicine and Pediatrics


National University of Ireland, College of Medicine, Cork, Ireland

Georgetown University Hospital, Washington, D.C.

Certifications or Special training
American Board of Pathology, Anatomic Pathology

Pathology and Laboratory Medicine

UK Albert B. Chandler Hospital - Pavilion H
Room MS-117
800 Rose St.
Lexington KY 40536-0293

Call 859-323-5266
Fax 859-323-2094

ATM, Dining, Gift shop, Information desk, Post office

Directions to UK Albert B. Chandler Hospital - Pavilion H »
Parking is available at the UK HealthCare Parking Garage (PS #8).

Insurance information

Insurance policies can vary widely. Please check with your doctor/clinic for specific insurance information before your visit or procedure to avoid unexpected out-of-pocket costs. See list of insurers »

Referral form for physicians »

  1. Krishnan P, Purushothaman KR, Purushothaman M, Baber U, Tarricone A, Vasquez M, Wiley J, Kini A, Sharma SK, O'Connor WN, Moreno PR.
    Relation of Internal Elastic Lamellar Layer Disruption to Neointimal Cellular Proliferation and Type III Collagen Deposition in Human Peripheral Artery Restenosis.
    Am J Cardiol. 2016 Apr 1;117(7):1173-9.
  2. VanDerPloeg DG, Strong WR, Krohmer SJ, O'Connor WN, Martin JT.
    Congenital bronchial artery to pulmonary artery fistula presenting as hemoptysis.
    Ann Thorac Surg. 2015 Jan;99(1):e19-20.
  3. Rateri DL, Davis FM, Balakrishnan A, Howatt DA, Moorleghen JJ, O'Connor WN, Charnigo R, Cassis LA, Daugherty A.
    Angiotensin II induces region-specific medial disruption during evolution of ascending aortic aneurysms.
    Am J Pathol. 2014 Sep;184(9):2586-95.
  4. Martin JT, O'Connor WN, Ramaiah C.
    Isolated necrotizing aortitis presenting as incidental thoracoabdominal aortic aneurysm: a case report.
    Int J Angiol. 2011 Mar;20(1):59-62.
  5. Ohebsion J, O'Connor WN, Attili AK, Diaz-Guzman E.
    A 30-year-old man with facial flushing and a mediastinal mass.
    Chest. 2010 Sep;138(3):746-9.