Eileen A. (Bock) O'Halloran, MD, General Surgery, Rockford, IL, OSF Saint Anthony Medical Center

Eileen A.(Bock)O'HalloranMD

General Surgery Rockford, IL

Hepatobiliary Surgery, Melanoma, Pancreas, Surgical Oncology (Other than Breast)

Surgical Oncologist, Assistant Professor

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  • Office

    OSF Surgical Group
    5668 E. State St Suite 1000
    Rockford, IL 61108
    Phone(815) 229-7580
    Fax(815) 229-7585
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  • Dr. Eileen A. O'Halloran is a Surgical Oncologist and is affiliated with OSF Surgical Group at St. Anthony Medical Center in Rockford, IL. She is also Assistant Professor in the Department of Surgery, division of Surgical Oncology at the University of Illinois at Chicago in Chicago, IL. She received her medical degree from Loyola University Chicago Stritch School of Medicine and has been in practice 7 years. She specializes in hepatobiliary surgery, melanoma, pancreas, and surgical oncology (other than breast).

Education & Training

  • Loyola University Chicago Stritch School of Medicine
    Loyola University Chicago Stritch School of MedicineClass of 2011, MD, Honors in Research
  • Loyola University
    Loyola UniversityResidency, General Surgery
  • Fox Chase Cancer Center
    Fox Chase Cancer CenterFellowship, Complex Surgical Oncology
  • Loyola University ChicagoMaster's Degree, Clinical Research Methodology
  • Vanderbilt UniversityBachelor of Engineering, Biomedical Engingeering, Summa Cum Laude

Certifications & Licensure

  • PA State Medical License
    PA State Medical License Current
  • IL State Medical License
    IL State Medical License Active through 2023
  • American Board of Surgery Surgery

Publications & Presentations


Journal Articles

  • Presence of Traumatic Brain Injury Does Not Lead to an Increased Rate of Splenectomy in Blunt Splenic Injury  
    Abid D. Khan, Ashley D. Meagher, Eileen B. O'Halloran, Michael J. Anstadt, Richard P. Gonzalez, Journal of the American College of Surgeons, 10/2016


  • Preoperative hospitalization is associated with adverse outcomes following elective oncologic resection.
    EA O'Halloran, SA Brownlee, AD Cobb, SG Pappas, GJ Abood, TJ Saclarides, PC Kuo, AN Kothari, Society of Surgical Oncology Annual Cancer Symposium 2018, Chicago, IL, 1/1/2018
  • The Impact of Obesity on Outcomes Following Pancreaticoduodenectomy for Periampullary Adenocarcinoma.
    O'Halloran EB, Aranha GV, Pappas SG, Abood GJ, Pancreas Club 2017 Annual Meeting, Chicago, IL, 1/1/2017
  • Excision of a presacral ganglioneuroma in a young male: a case report.
    O'Halloran EB, Ding X, Hayden DM, Saclarides TJ, Eberhardt JM, Southeastern Surgical Congress 2017 Annual Meeting, Nashville, TN, 1/1/2017
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  • Elevation of serum leptin following burn injury is diminished in the presence of ethanol intoxication 
    Chicago, IL - 4/2015
  • Alveolar Macrophage production of inflammatory mediators in subjects with alcohol use disorders 
    Maywood, IL - 11/2014
  • Acute alcohol intoxication alters systemic immune responses in adult burn injury victims 
    Maywood, IL - 11/2014
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Professional Memberships

Hospital Affiliations