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Doctors / MO

YOUSSEF ASSIOUN, MD

GASTROENTEROLOGY

Graduated: 2003

NPI: 1639370919

Practice Locations (2)

MERCY CLINIC GASTROENTEROLOGY LLC

200 BREVCO PLZ, SUITE 208

LAKE ST LOUIS, MO 633672950

6365619020

MERCY CLINIC GASTROENTEROLOGY LLC

10012 KENNERLY RD, SUITE 102

SAINT LOUIS, MO 631282197

3145435240

Source: CMS National Downloadable File, September 2026.

YOUSSEF ASSIOUN, MD | HealthCareAtlasUSA