Koushik Das, MD

Gastroenterologist

Koushik Das

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

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

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Koushik Das, MD

4 mins

Washington University gastroenterologist Koushik Das, MD, discusses what gastrointestinal cancer patients can expect from their extended care team at Siteman Cancer Center. Learn more about Dr. Das: https://siteman.wustl.edu/doctor/das-koushik/

Learn more about the Siteman Approach to Stomach Cancer: https://siteman.wustl.edu/treatment/cancer-types/stomach/our-approach/

Learn more about the Siteman Approach to Pancreatic Cancer: https://siteman.wustl.edu/treatment/cancer-types/pancreatic/our-approach/

Learn more about the Siteman Approach to Esophageal Cancer: https://siteman.wustl.edu/treatment/cancer-types/esophageal/our-approach/

Learn more about the Siteman Approach to Liver Cancer: https://siteman.wustl.edu/treatment/cancer-types/liver/our-approach/

Learn more about the Siteman Approach to Colorectal Cancer: https://siteman.wustl.edu/treatment/cancer-types/colorectal/our-approach/

Clinical Expertise

  • Pancreatic Cancer, Esophageal Cancer, Bile Duct Cancer, Stomach Cancer

Primary Academic Title

Associate Professor of Medicine, Division of Gastroenterology, WashU Medicine

Board Certification

  • 2012: American Board of Internal Medicine
  • 2015: American Board of Internal Medicine, Gastroenterology

Training

  • 2009 - 2012: Resident, Internal Medicine, Massachusetts General Hospital, Boston, MA
  • 2012 - 2015: Fellow, Gastroenterology, University of Pennsylvania, Philadelphia, PA
  • 2015 - 2016: Fellow, Advanced Endoscopy, University of Pennsylvania, Philadelphia, PA

Education

  • 2009: MD, Columbia University, New York, NY

Research & Selected Publications

Research Interest

Utility of biomarkers for malignant transformation and early detection in pancreatic cancer, biomarker mAb Das-1

Research Publications

EUS-guided fine-needle biopsy sampling of solid pancreatic masses with and without rapid onsite evaluation for commercial next-generation genomic profiling
Authors:

Dbouk M, Davis BG, Peller M, one or more additional authors omitted Das K

Journal & Year:

Gastrointest Endosc | 2025

AGA Clinical Practice Update on Nonampullary Duodenal Lesions: Expert Review
Authors:

Bourke MJ, Lo SK, Buerlein RCD, Das KK

Journal & Year:

Gastroenterology | 2025

Pancreas and biliary ablation devices
Authors:

Das KK, Chen D, Akshintala VS, one or more additional authors omitted Law R

Journal & Year:

Gastrointest Endosc | 2024

Clinical predictors of significant findings on EUS for the evaluation of incidental common bile duct dilation
Authors:

Raza Z, Altayar O, Mahmoud T, one or more additional authors omitted Das KK

Journal & Year:

Gastrointest Endosc | 2024