Division of Infectious Diseases

Infectious Diseases Medicine Faculty

PROFESSORs

Joan M. Duggan, M.D.

Joan M. Duggan, M.D., FACP, FIDSA, AAHIVS

Faculty Appointment: Professor of Medicine
Degree: MD, Medical College of Ohio, Toledo, Ohio
Residency: Internal Medicine, Medical College of Ohio, Toledo, OH
Fellowship: Infectious Disease, University of Michigan, Ann Arbor, Michigan
Board Certified: Internal Medicine / Infectious Diseases
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Michael Ellis, M.D.

Michael W. Ellis, M.D.

Faculty Appointment: Professor of Medicine
Degree: MD, Case Western Reserve University School of Medicine, Cleveland, OH
Residency: Internal Medicine at Walter Reed Army Medical Center, Washington, DC
Fellowship: Infectious Disease at Brooke Army Medical Center, San Antonio, TX
Board Certified: Internal Medicine / Infectious Diseases

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Associate Professors

Claudiu Georgescu, M.D.

Claudiu Georgescu, M.D., AAHIVS

Faculty Appointment: Associate Professor of Medicine, Chief, Division of Infectious Diseases 
Degree: MD, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Residency: Internal Medicine at State University of New York, Brooklyn, NY
Fellowship: Infectious Diseases at State University of New York, Brooklyn
Board Certified: Internal Medicine / Infectious Diseases

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ASSISTANT PROFESSORS

Hend Elsaghir, M.D.

Hend Elsaghir, M.D.

Faculty Appointment: Assistant Professor of Medicine
Degree: MD, Suez Canal University, Ismailia, Egypt
Residency: Internal Medicine at Interfaith Medical Center, Brooklyn New York, NY
Fellowship: Infectious Diseases at Rosalind Franklin University Chicago Medical School, North Chicago, Illinois
Board Certified: Internal Medicine / Infectious Diseases
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Caitlyn Hollingshead, M.D.

Caitlyn Hollingshead, M.D.

Associate Program Director in the Infectious Diseases Fellowship

Faculty Appointments: Assistant Professor of Medicine 
Degree: MD, American University of the Caribbean School of Medicine, Cupecoy, Sint Maarten
Residency: Internal Medicine, The University of Toledo, Toledo, OH
Fellowship: Infectious Diseases, The University of Toledo, Toledo, OH
Board Certified: Internal Medicine/ Infectious Diseases

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Haroon Shah, D.O.

Haroon Shah, D.O.

Faculty Appointment: Assistant Professor of Medicine
Degree: DO, Chicago College of Osteopathic Medicine, Downers Grove, Illinois
Residency: Internal Medicine at Canton Medical Education Foundations, Canton, Ohio
Fellowship: Infectious Diseases at Medical College of Wisconsin, Milwaukee, Wisconsin
Board Certified: Internal Medicine / Infectious Diseases

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Last Updated: 2/21/25