• John Warner MD

  • Emeritus Researcher

    • System Ancillary Region - Radiology-Professional
    • 1000 North Oak Ave. H1N Marshfield, WI 54449


Residency, Neuroradiology, Indiana University - Medical Center, Indianapolis, IN
Internship, Department of Radiology, Indiana University - Medical Center, Indianapolis, IN
MD, University of Wisconsin, Madison, WI
BS, Biology (1977-1978 studied abroad at the University of Surrey, Guildford England), Michigan State University, East Lansing, MI

Work Experience

2019 to Present:
Emeritus Researcher - Clinical Research Center, Marshfield Clinic Research Institute, a division of Marshfield Clinic, Inc., Marshfield, WI
2017 to 2019:
Attending Physician, Marshfield Medical Center, Marshfield, WI
1987 to 2019:
Neuroradiologist, Marshfield Clinic, Inc., Marshfield, WI
1987 to 2019:
Director of MRI, Marshfield Clinic, Inc., Marshfield, WI
1987 to 2019:
Attending Physician, St. Claire's Hospital, Weston, WI
1987 to 2019:
Attending Physician, Lakeview Medical Center, Rice Lake, WI
1987 to 2019:
Attending Physician, Howard Young Medical Center, Woodruff, WI
1987 to 2019:
Attending Physician, Flambeau Hospital, Park Falls, WI
1987 to 2017:
Attending Physician, Ministry St. Joseph Hospital, Marshfield, WI

Board Certifications

1987 to Present:
American Board of Radiology

Professional Societies

American Society of Neuroradiology
Radiological Society of North America
State Medical Society of Wisconsin
American Society of Spine Radiology
Society of Imaging Infrormatics in Medicine
American College of Radiology


Radiology Imaging Informatics, Chair
Ancillary Information Systems - Radiology Advisory Group, Chair

Select Publications

  • Warner JJ, Becker G, Holden R, Robb J. (1986). Digital subtraction hip arthrography. Applied Radiology. 15(3):13.
  • Jacobson DM, Warner JJ, Choucair AK, Ptacek LJ. (1988 December). Trochlear nerve palsy following minor head trauma. A sign of structural disorder. J Clin Neuroophthalmol. 8(4):263-268.
    PubMed ID: 2977142
  • Jacobson DM, Karanjia PN, Olson KA, Warner JJ. (1990 September). Computed tomography ventricular size has no predictive value in diagnosing pseudotumor cerebri. NEUROLOGY. 40(9):1454-1455.
    PubMed ID: 2392235
  • Jacobson DM, Warner JJ, Ruggles KH. (1995 August). Transient trochlear nerve palsy following anterior temporal lobectomy for epilepsy. NEUROLOGY. 45(8):1465-1468.
    PubMed ID: 7644042
  • Jacobson DM, Anderson DR, Rupp GM, Warner JJ. (1996 December). Idiopathic hypertrophic cranial pachymeningitis: clinical-radiological-pathological correlation of bone involvement. J Neuroophthalmol. 16(4):264-268.
    PubMed ID: 8956162
  • Huncharek MS, Bseiso AW, Hutchins LG, Warner JJ. (2004 June). Presentation of malignant pleural mesothelioma with symptomatic brain metastasis: report of a case. Tumori. 90(4):424-427.
    PubMed ID: 15510989
  • Warner JJ, Legenos T. (2007 July). Diagnostic Imaging: Distributing the Results Advance for Administrators of the Laboratory.