Dr. John Ireland Halloran MD Radiologist

Dr. John Halloran is a radiologist in Waterloo, Iowa. He is affiliated with multiple hospitals in the area, including Allen Memorial Hospital and Waverly Health Center. He received his medical degree from University of Minnesota Medical School and has been in practice for 24 years. He is one of 5 doctors at Allen Memorial Hospital and one of 3 at Waverly Health Center who specialize in Radiology.

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Office Location

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Specialty & Clinical Interests

Radiologist: Neuroradiology

Education & Medical Training

University of Iowa Hospitals and Clinics
Residency, Radiology, 1990 - 1994

University of Iowa Hospitals and Clinics
Fellowship, Neuroradiology, 1994 - 1995

University of Minnesota Medical School
Class of 1990

Certifications & Licensure

American Board of Family Medicine
Certified in Family Medicine

American Board of Internal Medicine
Certified in Internal Medicine

WI State Medical License
Active through 2013

Publications & Presentations

Chiropractic manipulation induced dissection and subsequent aneurysm formation of the internal carotid artery, or, if it ain't broke, don't fix it.
Bekavac, I., Halloran, J.I., Frazier, S., Sprung, J., Bourke, D.L.

Unsuccessful tissue plasminogen activator treatment of acute stroke caused by a calcific embolus.
Halloran, J.I., Bekavac, I.

Meningocele-induced positional syncope and retinal hemorrhage.
Bekavac, I., Halloran, J.I.

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