Robert B. Irwin Internal Medicine Clinic

Our Physicians


William T. Belt Jr., MD
William T. Belt Jr., MD
Med Director For Clinical Operation
Department: Internal Medicine
Specialty: Med-Internal

Christina R. Bratcher, MD
Christina R. Bratcher, MD
Assistant Professor of Medicine
Department: Department of Medicine
Specialty: Endocrinology

Gerald Brown, PA
Gerald Brown, PA
Physician Assistant
Department: Internal Medicine
Specialty: Internal Medicine

Kent M. Davis, MD
Kent M. Davis, MD
Professor of Medicine
Department: Internal Medicine
Specialty: Med-Internal

Russell Hayes, PA
Russell Hayes, PA
Physician Assistant
Department: Internal Medicine

Wayne S. Karaki, MD
Wayne S. Karaki, MD
Professor of Medicine
Department: Internal Medicine
Specialty: Med-Internal

Riad Kesiry, MD, MSBS
Riad Kesiry, MD, MSBS
Assistant Professor of Medicine
Department: Internal Medicine
Specialty: Internal Medicine

David R. Shafer, MD
David R. Shafer, MD
Professor of Medicine
Department: Internal Medicine
Specialty: Med-Internal

NOTICE: Protected health information is subject to electronic disclosure.