John Pfeifer, MD, PhD

Pathologist

John Pfeifer

Appointment Options

Whether you’re seeking a new patient appointment or exploring treatment options and looking for a second opinion, our Siteman care coordinators are ready to assist you.

My Locations

Parkview Tower at Barnes-Jewish Hospital

Parkview Tower at Barnes-Jewish Hospital

On WashU Medicine Campus
1 Parkview Place, Saint Louis, MO 63110
Siteman Cancer Center at Barnes-Jewish West County Hospital

Siteman Cancer Center at Barnes-Jewish West County Hospital

Medical Office Building 2, 10 Barnes West Drive, Creve Coeur, MO 63141

Expertise & Training

Primary Academic Title

Professor of Pathology and Immunology, Division of Anatomic Pathology, WashU Medicine

Board Certification

  • : American Board of Pathology, Anatomic Pathology

Education

  • 1987: PhD, immunology, University of California, San Diego, CA
  • 1988: MD, University of California, San Diego, CA

Research & Selected Publications

Research Interest

Investigation of the role of molecular biology techniques in diagnostic surgical pathology.

Research Publications

Diverse case series of granulomatous peritonitis mimicking advanced ovarian cancer
Authors:

Furuya RL, Rimel BJ, Tsai R, one or more additional authors omitted Pfeifer JD

Journal & Year:

Gynecol Oncol Rep | 2025