About Lauren Ritterhouse Casariego, MD, PhD

Overview: Dr. Ritterhouse specializes in diagnostic molecular genetic pathology with expertise in biomarkers for personalized medicine in cancer. She is a member of the Center for Integrated Diagnostics (CID) at Massachusetts General Hospital.

Dr. Ritterhouse joined the Massachusetts General Hospital Department of Pathology and Center for Integrated Diagnostics as a staff pathologist in 2019. Prior to this, she was the Co-Director of the clinical genomics and molecular diagnostic laboratories at the University of Chicago. She received her MD, PhD from the University of Oklahoma where she studied the pathogenic roles of aberrant cytokine production in autoimmunity. She completed a Molecular Genetic Pathology Fellowship at Harvard Medical School and Anatomic Pathology Residency at Brigham and Women’s Hospital in Boston, MA. She is particularly interested in the translation of emerging molecular biomarkers into the clinical laboratory, including those evaluating response to immunotherapy, solid tumor mutational signature profiling, circulating tumor DNA, as well as hematologic malignancies.

Departments, Centers, & Programs:



Mass General Pathology
55 Fruit St.
Boston, MA 02114
Phone: 617-643-0800

Medical Education

  • MD, University of Oklahoma College of Medicine
  • Residency, Brigham and Women's Hospital
  • Residency, Brigham and Women's Hospital
  • Fellowship, Brigham and Women's Hospital

American Board Certifications

  • Anatomic Pathology, American Board of Pathology
  • Molecular Genetic Pathology, American Board of Pathology

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Reviews: Comments and Ratings