Richard B. Mertens, MD, PhD

Senior Surgical Pathologist

Phone: 310-423-6623


  • Gastrointestinal Pathology
  • Breast Pathology

Education and Training

  • University of California, San Diego, CA; MD, Ph.D.
  • Residency in Anatomic Pathology and Clinical Pathology, University of Washington Affiliated Hospitals, Seattle, WA
  • Fellowship in Anatomic Pathology, Cedars-Sinai Medical Center, Los Angeles, CA

Medical Board Certifications

  • Board Certified, Anatomic Pathology
  • Board Certified, Clinical Pathology

Clinical and Research Interests

  • Gastrointestinal and Pancreatic Pathology
  • Breast Pathology

Awards and Activities

  • CAP Pathologist Spotlight Service Award, College of American Pathologists
  • Golden Apple Awards for Excellence in Teaching
  • Member, Colorectal Cancer Center of Excellence, Cedars-Sinai Medical Center
  • Member, Samuel Oschin Comprehensive Cancer Institute

Selected Publications

  • J Koo, RB Mertens, JM Mirocha, HL Wang, D Dhall. Value of Islet 1 and PAX-8 in identifying metastatic neuroendocrine tumors of pancreatic origin. Modern Pathol 2012;25:893-901.
  • Dhall, Mertens R, Bresee C, Parakh R, et al. Ki-67 proliferative index predicts progression-free survival of patients with well-differentiation ileal neuroendocrine tumors. Human Pathol 2012;43:489-95.
  • Fan L, Levy M, Aguilar CE, Mertens RB, Dhall D, Frishberg, Wang HL. Lymph node retrieval from colorectal resection specimens for invasive adenocarcinoma: Is it worth the extra effort to find at least 12 nodes? Colorectal Disease 2011;13: 1377-83.

Click here for a list of peer-reviewed publications by Richard Mertens, MD, PhD

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