Mark Haas MD, PhD

Attending Pathologist

Specialty: Renal Pathology

Mark Haas, MD, PhD is a renal attending pathologist in the Department of Pathology and Laboratory Medicine at Cedars-Sinai.

An expert in renal pathology with an interest in transplant pathology and IgA nephropathy, Dr. Haas has authored more than 100 peer-reviewed scientific papers and many invited reviews and book chapters. His active research interests include the role of complement regulatory proteins in transplant rejection , and prognostic morphologic features in renal biopsies.

Board certified in anatomic pathology, Dr. Haas is a reviewer for many scientific journals and grant agencies, and has been on several journal editorial boards. He has been invited to speak at many national and international meetings, and has participated in directing a number of international studies in renal pathology.

Dr. Haas is an active participant in several pathology and nephrology organizations, and is involved in the education of pathology residents and renal pathology fellows.

Dr. Haas earned his medical degree and his doctorate in physiology from Duke University. He completed a residency in anatomic pathology and fellowship in renal pathology and physiology at Yale University in New Haven. Prior to his appointment at Cedars-Sinai, Dr. Haas was Professor of Pathology and Director of Renal Pathology and Electron Microscopy at Johns Hopkins University School of Medicine, Baltimore.

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