Gassan Kassim, MD

Internal Medicine, Gastroenterology

Washington University

1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110

Accepting new patients

Board Certified

Internal Medicine

Vital Care Finder makes high-quality healthcare accessible to everyone. Find and book top-rated medical specialists tailored for your condition.

Company

About Vital (opens in a new tab)MCP Apps Support

Legal

Privacy Policy Terms of Use Accessibility

© 2026 Vital. All rights reserved.By using Vital Care Finder, you agree to our Terms of Use & Privacy Policy.