Benjamin Louis Mazer, M.D., M.B.A.

Headshot of Benjamin Louis Mazer
  • Assistant Professor of Pathology


Dr. Benjamin Mazer is an assistant professor of pathology. He has clinical expertise in general surgical pathology and gastrointestinal pathology. His academic interests include cancer screening and overdiagnosis, evidence-based medicine, and health policy. He is a passionate teacher of medical students, residents, and clinicians. He is also a freelance journalist writing about medical topics and controversies for the public. more


  • Assistant Professor of Pathology

Departments / Divisions



  • MD MBA; University of Rochester School of Medicine and Dentistry (2016)


  • Anatomic and Clinical Pathology; Yale-New Haven Hospital (2020)


  • Gastrointestinal and Liver Pathology; Yale-New Haven Hospital (2022)

Board Certifications

  • American Board of Pathology (Anatomic & Clinical Pathology) (2020)
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