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John Brennan, MD, Pathology, Dubuque, IA, MercyOne Dubuque Medical Center

JohnA.BrennanMD

Pathology Dubuque, IA

Anatomic Pathology, Clinical Pathology

Physician

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Summary

  • Dr. John Brennan, MD is a board certified pathologist in Dubuque, Iowa. He is currently licensed to practice medicine in Iowa, Illinois, and Wisconsin. He is affiliated with MercyOne Dubuque Medical Center.

Education & Training

  • University of Iowa Hospitals and Clinics
    University of Iowa Hospitals and ClinicsResidency, Pathology-Anatomic and Clinical, 1975 - 1978
  • University of Iowa Hospitals and Clinics
    University of Iowa Hospitals and ClinicsInternship, Internal Medicine, 1974 - 1975
  • University of Illinois College of Medicine
    University of Illinois College of MedicineClass of 1974

Certifications & Licensure

  • IA State Medical License
    IA State Medical License 1975 - 2018
  • IL State Medical License
    IL State Medical License 2011 - 2014
  • WI State Medical License
    WI State Medical License 1979 - 2013
  • American Board of Pathology Anatomic Pathology & Clinical Pathology

Hospital Affiliations